Colour

• Chromatic Adaptation
  • Chromatic Adaptation
    • colour.chromatic_adaptation
    • colour.CHROMATIC_ADAPTATION_METHODS
    • colour.VIEWING_CONDITIONS_CMCCAT2000
    • colour.CHROMATIC_ADAPTATION_TRANSFORMS
  • Fairchild (1990)
    • colour.adaptation.chromatic_adaptation_Fairchild1990
  • CIE 1994
    • colour.adaptation.chromatic_adaptation_CIE1994
  • CMCCAT2000
    • colour.adaptation.chromatic_adaptation_CMCCAT2000
    • colour.adaptation.VIEWING_CONDITIONS_CMCCAT2000
    • colour.adaptation.chromatic_adaptation_forward_CMCCAT2000
    • colour.adaptation.chromatic_adaptation_inverse_CMCCAT2000
    • colour.adaptation.InductionFactors_CMCCAT2000
  • Von Kries
    • colour.adaptation.chromatic_adaptation_VonKries
    • colour.adaptation.CHROMATIC_ADAPTATION_TRANSFORMS
    • colour.adaptation.CAT_BRADFORD
    • colour.adaptation.CAT_BIANCO2010
    • colour.adaptation.CAT_PC_BIANCO2010
    • colour.adaptation.CAT_CAT02_BRILL2008
    • colour.adaptation.CAT_CAT02
    • colour.adaptation.CAT_CAT16
    • colour.adaptation.CAT_CMCCAT2000
    • colour.adaptation.CAT_CMCCAT97
    • colour.adaptation.CAT_FAIRCHILD
    • colour.adaptation.CAT_SHARP
    • colour.adaptation.CAT_VON_KRIES
    • colour.adaptation.CAT_XYZ_SCALING
    • colour.adaptation.matrix_chromatic_adaptation_VonKries
  • Zhai and Luo (2018)
    • colour.adaptation.chromatic_adaptation_Zhai2018
• Algebra
  • Extrapolation
    • colour.Extrapolator
  • Interpolation
    • colour.KernelInterpolator
    • colour.NearestNeighbourInterpolator
    • colour.LinearInterpolator
    • colour.NullInterpolator
    • colour.PchipInterpolator
    • colour.SpragueInterpolator
    • colour.lagrange_coefficients
    • colour.TABLE_INTERPOLATION_METHODS
    • colour.table_interpolation
    • colour.kernel_nearest_neighbour
    • colour.kernel_linear
    • colour.kernel_sinc
    • colour.kernel_lanczos
    • colour.kernel_cardinal_spline
    • colour.algebra.table_interpolation_trilinear
    • colour.algebra.table_interpolation_tetrahedral
  • Coordinates
    • colour.algebra.cartesian_to_spherical
    • colour.algebra.spherical_to_cartesian
    • colour.algebra.cartesian_to_polar
    • colour.algebra.polar_to_cartesian
    • colour.algebra.cartesian_to_cylindrical
    • colour.algebra.cylindrical_to_cartesian
  • Random
    • colour.algebra.random_triplet_generator
  • Regression
    • colour.algebra.least_square_mapping_MoorePenrose
  • Common
    • colour.algebra.get_sdiv_mode
    • colour.algebra.set_sdiv_mode
    • colour.algebra.sdiv_mode
    • colour.algebra.sdiv
    • colour.algebra.is_spow_enabled
    • colour.algebra.set_spow_enable
    • colour.algebra.spow_enable
    • colour.algebra.spow
    • colour.algebra.normalise_vector
    • colour.algebra.normalise_maximum
    • colour.algebra.vector_dot
    • colour.algebra.matrix_dot
    • colour.algebra.euclidean_distance
    • colour.algebra.manhattan_distance
    • colour.algebra.linear_conversion
    • colour.algebra.linstep_function
    • colour.algebra.lerp
    • colour.algebra.smoothstep_function
    • colour.algebra.smooth
    • colour.algebra.is_identity
    • colour.algebra.eigen_decomposition
• Colour Appearance Models
  • ATD (1995)
    • colour.XYZ_to_ATD95
    • colour.CAM_Specification_ATD95
  • CIECAM02
    • colour.XYZ_to_CIECAM02
    • colour.CIECAM02_to_XYZ
    • colour.CAM_Specification_CIECAM02
    • colour.VIEWING_CONDITIONS_CIECAM02
    • colour.appearance.CAM_KWARGS_CIECAM02_sRGB
    • colour.appearance.InductionFactors_CIECAM02
  • CIECAM16
    • colour.XYZ_to_CIECAM16
    • colour.CIECAM16_to_XYZ
    • colour.CAM_Specification_CIECAM16
    • colour.VIEWING_CONDITIONS_CIECAM16
    • colour.appearance.InductionFactors_CIECAM16
  • CAM16
    • colour.XYZ_to_CAM16
    • colour.CAM16_to_XYZ
    • colour.CAM_Specification_CAM16
    • colour.VIEWING_CONDITIONS_CAM16
    • colour.appearance.InductionFactors_CAM16
  • Hellwig and Fairchild (2022) Colour Appearance Model
    • colour.XYZ_to_Hellwig2022
    • colour.Hellwig2022_to_XYZ
    • colour.CAM_Specification_Hellwig2022
    • colour.VIEWING_CONDITIONS_HELLWIG2022
    • colour.appearance.InductionFactors_Hellwig2022
  • Hunt
    • colour.XYZ_to_Hunt
    • colour.CAM_Specification_Hunt
    • colour.VIEWING_CONDITIONS_HUNT
  • Kim, Weyrich and Kautz (2009)
    • colour.XYZ_to_Kim2009
    • colour.Kim2009_to_XYZ
    • colour.CAM_Specification_Kim2009
    • colour.MEDIA_PARAMETERS_KIM2009
    • colour.VIEWING_CONDITIONS_KIM2009
    • colour.appearance.InductionFactors_Kim2009
    • colour.appearance.MediaParameters_Kim2009
  • \(LLAB(l:c)\)
    • colour.XYZ_to_LLAB
    • colour.CAM_Specification_LLAB
    • colour.VIEWING_CONDITIONS_LLAB
    • colour.appearance.InductionFactors_LLAB
  • Nayatani (1995)
    • colour.XYZ_to_Nayatani95
    • colour.CAM_Specification_Nayatani95
  • RLAB
    • colour.XYZ_to_RLAB
    • colour.CAM_Specification_RLAB
    • colour.VIEWING_CONDITIONS_RLAB
    • colour.appearance.D_FACTOR_RLAB
  • ZCAM
    • colour.XYZ_to_ZCAM
    • colour.ZCAM_to_XYZ
    • colour.CAM_Specification_ZCAM
    • colour.VIEWING_CONDITIONS_ZCAM
    • colour.appearance.InductionFactors_ZCAM
  • Helmholtz-Kohlrausch Effect Estimation
    • colour.HKE_NAYATANI1997_METHODS
    • colour.HelmholtzKohlrausch_effect_object_Nayatani1997
    • colour.HelmholtzKohlrausch_effect_luminous_Nayatani1997
    • colour.appearance.coefficient_q_Nayatani1997
    • colour.appearance.coefficient_K_Br_Nayatani1997
• Biochemistry
  • Michaelis–Menten Kinetics
    • colour.biochemistry.REACTION_RATE_MICHAELISMENTEN_METHODS
    • colour.biochemistry.reaction_rate_MichaelisMenten
    • colour.biochemistry.SUBSTRATE_CONCENTRATION_MICHAELISMENTEN_METHODS
    • colour.biochemistry.substrate_concentration_MichaelisMenten
    • colour.biochemistry.reaction_rate_MichaelisMenten_Michaelis1913
    • colour.biochemistry.substrate_concentration_MichaelisMenten_Michaelis1913
    • colour.biochemistry.reaction_rate_MichaelisMenten_Abebe2017
    • colour.biochemistry.substrate_concentration_MichaelisMenten_Abebe2017
• Colour Vision Deficiency
  • Machado, Oliveira and Fernandes (2009)
    • colour.msds_cmfs_anomalous_trichromacy_Machado2009
    • colour.matrix_anomalous_trichromacy_Machado2009
    • colour.matrix_cvd_Machado2009
    • colour.CVD_MATRICES_MACHADO2010
• Colour Characterisation
  • ACES Spectral Conversion
    • colour.sd_to_aces_relative_exposure_values
    • colour.sd_to_ACES2065_1
    • colour.characterisation.MSDS_ACES_RICD
  • ACES Input Transform Computation
    • colour.matrix_idt
    • colour.camera_RGB_to_ACES2065_1
    • colour.characterisation.read_training_data_rawtoaces_v1
    • colour.characterisation.generate_illuminants_rawtoaces_v1
    • colour.characterisation.white_balance_multipliers
    • colour.characterisation.best_illuminant
    • colour.characterisation.normalise_illuminant
    • colour.characterisation.training_data_sds_to_RGB
    • colour.characterisation.training_data_sds_to_XYZ
    • colour.characterisation.whitepoint_preserving_matrix
    • colour.characterisation.optimisation_factory_rawtoaces_v1
    • colour.characterisation.optimisation_factory_Jzazbz
    • colour.characterisation.optimisation_factory_Oklab_15
    • Colour Fitting
    • Colour Rendition Charts
    • Cameras
    • Displays
    • Filters
    • Lenses
• Colorimetry
  • Spectral Data Structure
    • colour.SpectralShape
    • colour.SpectralDistribution
    • colour.MultiSpectralDistributions
    • colour.SPECTRAL_SHAPE_ASTME308
    • colour.SPECTRAL_SHAPE_DEFAULT
    • colour.colorimetry.reshape_sd
    • colour.colorimetry.reshape_msds
    • colour.colorimetry.sds_and_msds_to_sds
    • colour.colorimetry.sds_and_msds_to_msds
  • Spectral Data Generation
    • colour.sd_CIE_standard_illuminant_A
    • colour.sd_CIE_illuminant_D_series
    • colour.sd_blackbody
    • colour.sd_rayleigh_jeans
    • colour.sd_constant
    • colour.sd_ones
    • colour.sd_zeros
    • colour.msds_constant
    • colour.msds_ones
    • colour.msds_zeros
    • colour.SD_GAUSSIAN_METHODS
    • colour.sd_gaussian
    • colour.SD_SINGLE_LED_METHODS
    • colour.sd_single_led
    • colour.SD_MULTI_LEDS_METHODS
    • colour.sd_multi_leds
    • colour.colorimetry.blackbody_spectral_radiance
    • colour.colorimetry.planck_law
    • colour.colorimetry.rayleigh_jeans_law
    • colour.colorimetry.daylight_locus_function
    • colour.colorimetry.sd_gaussian_normal
    • colour.colorimetry.sd_gaussian_fwhm
    • colour.colorimetry.sd_single_led_Ohno2005
    • colour.colorimetry.sd_multi_leds_Ohno2005
    • colour.colorimetry.planck_law
  • Conversion to Tristimulus Values
    • colour.sd_to_XYZ
    • colour.SD_TO_XYZ_METHODS
    • colour.msds_to_XYZ
    • colour.MSDS_TO_XYZ_METHODS
    • colour.wavelength_to_XYZ
    • colour.colorimetry.handle_spectral_arguments
    • ASTM E308-15
    • Integration
  • Spectral Bandpass Dependence Correction
    • colour.bandpass_correction
    • colour.BANDPASS_CORRECTION_METHODS
    • Stearns and Stearns (1988)
  • Colour Matching Functions
    • colour.colorimetry.LMS_ConeFundamentals
    • colour.colorimetry.RGB_ColourMatchingFunctions
    • colour.colorimetry.XYZ_ColourMatchingFunctions
    • colour.MSDS_CMFS
    • colour.colorimetry.MSDS_CMFS_LMS
    • colour.colorimetry.MSDS_CMFS_RGB
    • colour.colorimetry.MSDS_CMFS_STANDARD_OBSERVER
  • Colour Matching Functions Transformations
    • colour.colorimetry.RGB_2_degree_cmfs_to_XYZ_2_degree_cmfs
    • colour.colorimetry.RGB_10_degree_cmfs_to_XYZ_10_degree_cmfs
    • colour.colorimetry.RGB_10_degree_cmfs_to_LMS_10_degree_cmfs
    • colour.colorimetry.LMS_2_degree_cmfs_to_XYZ_2_degree_cmfs
    • colour.colorimetry.LMS_10_degree_cmfs_to_XYZ_10_degree_cmfs
  • Illuminants and Light Sources
    • colour.CCS_ILLUMINANTS
    • colour.SDS_ILLUMINANTS
    • colour.CCS_LIGHT_SOURCES
    • colour.SDS_LIGHT_SOURCES
    • colour.TVS_ILLUMINANTS
    • colour.TVS_ILLUMINANTS_HUNTERLAB
    • colour.colorimetry.SDS_BASIS_FUNCTIONS_CIE_ILLUMINANT_D_SERIES
  • Dominant Wavelength and Purity
    • colour.dominant_wavelength
    • colour.complementary_wavelength
    • colour.excitation_purity
    • colour.colorimetric_purity
  • Luminous Efficiency Functions
    • colour.luminous_efficacy
    • colour.luminous_efficiency
    • colour.luminous_flux
    • colour.sd_mesopic_luminous_efficiency_function
    • colour.SDS_LEFS
    • colour.colorimetry.SDS_LEFS_PHOTOPIC
    • colour.colorimetry.SDS_LEFS_SCOTOPIC
  • Spectral Uniformity
    • colour.spectral_uniformity
  • Lightness Computation
    • colour.lightness
    • colour.LIGHTNESS_METHODS
    • Glasser, Mckinney, Reilly and Schnelle (1958)
    • Wyszecki (1963)
    • CIE 1976
    • Fairchild and Wyble (2010)
    • Fairchild and Chen (2011)
    • Abebe, Pouli, Larabi and Reinhard (2017)
  • Luminance Computation
    • colour.luminance
    • colour.LUMINANCE_METHODS
    • Newhall, Nickerson and Judd (1943)
    • CIE 1976
    • ASTM D1535-08e1
    • Fairchild and Wyble (2010)
    • Fairchild and Chen (2011)
  • Whiteness Computation
    • colour.whiteness
    • colour.WHITENESS_METHODS
    • Berger (1959)
    • Taube (1960)
    • Stensby (1968)
    • ASTM E313
    • Ganz and Griesser (1979)
    • CIE 2004
  • Yellowness Computation
    • colour.yellowness
    • colour.YELLOWNESS_METHODS
    • ASTM D1925
    • ASTM E313
• Constants
  • CIE
    • colour.constants.CONSTANT_K_M
    • colour.constants.CONSTANT_KP_M
  • CODATA
    • colour.constants.CONSTANT_AVOGADRO
    • colour.constants.CONSTANT_BOLTZMANN
    • colour.constants.CONSTANT_LIGHT_SPEED
    • colour.constants.CONSTANT_PLANCK
  • Common
    • colour.constants.PATTERN_FLOATING_POINT_NUMBER
    • colour.constants.INTEGER_THRESHOLD
    • colour.constants.EPSILON
    • colour.constants.DTYPE_INT_DEFAULT
    • colour.constants.DTYPE_FLOAT_DEFAULT
    • colour.constants.TOLERANCE_ABSOLUTE_DEFAULT
    • colour.constants.TOLERANCE_RELATIVE_DEFAULT
    • colour.constants.TOLERANCE_ABSOLUTE_TESTS
    • colour.constants.TOLERANCE_RELATIVE_TESTS
• Contrast Sensitivity
  • Contrast Sensitivity
    • colour.contrast_sensitivity_function
    • colour.CONTRAST_SENSITIVITY_METHODS
  • Barten (1999) Contrast Sensitivity Function
    • colour.contrast.contrast_sensitivity_function_Barten1999
    • colour.contrast.optical_MTF_Barten1999
    • colour.contrast.pupil_diameter_Barten1999
    • colour.contrast.sigma_Barten1999
    • colour.contrast.retinal_illuminance_Barten1999
    • colour.contrast.maximum_angular_size_Barten1999
• Continuous Signal
  • Continuous Signal
    • colour.continuous.AbstractContinuousFunction
    • colour.continuous.Signal
    • colour.continuous.MultiSignals
• Corresponding Chromaticities
  • Prediction
    • colour.corresponding_chromaticities_prediction
    • colour.CORRESPONDING_CHROMATICITIES_PREDICTION_MODELS
    • colour.CorrespondingColourDataset
    • colour.CorrespondingChromaticitiesPrediction
    • colour.BRENEMAN_EXPERIMENTS
    • colour.BRENEMAN_EXPERIMENT_PRIMARIES_CHROMATICITIES
    • Fairchild (1990)
    • CIE 1994
    • CMCCAT2000
    • Von Kries
• Colour Difference
  • Delta E
    • colour.delta_E
    • colour.DELTA_E_METHODS
  • CIE 1976
    • colour.difference.JND_CIE1976
    • colour.difference.delta_E_CIE1976
  • CIE 1994
    • colour.difference.delta_E_CIE1994
  • CIE 2000
    • colour.difference.delta_E_CIE2000
  • CMC
    • colour.difference.delta_E_CMC
  • ITP
    • colour.difference.delta_E_ITP
  • Luo, Cui and Li (2006)
    • colour.difference.delta_E_CAM02LCD
    • colour.difference.delta_E_CAM02SCD
    • colour.difference.delta_E_CAM02UCS
  • Li, Li, Wang, Zu, Luo, Cui, Melgosa, Brill and Pointer (2017)
    • colour.difference.delta_E_CAM16LCD
    • colour.difference.delta_E_CAM16SCD
    • colour.difference.delta_E_CAM16UCS
  • DIN99
    • colour.difference.delta_E_DIN99
  • Standardized Residual Sum of Squares (STRESS) Index
    • colour.index_stress
    • colour.INDEX_STRESS_METHODS
    • colour.difference.index_stress_Garcia2007
  • Huang et al. (2015) Power-Functions
    • colour.difference.power_function_Huang2015
• Geometry Computations
  • Ellipse
    • colour.geometry.ellipse_coefficients_general_form
    • colour.geometry.ellipse_coefficients_canonical_form
    • colour.geometry.point_at_angle_on_ellipse
    • colour.geometry.ELLIPSE_FITTING_METHODS
    • colour.geometry.ellipse_fitting
    • colour.geometry.ellipse_fitting_Halir1998
  • Intersection
    • colour.geometry.extend_line_segment
    • colour.geometry.intersect_line_segments
    • colour.geometry.LineSegmentsIntersections_Specification
  • Primitives
    • colour.PRIMITIVE_METHODS
    • colour.primitive
    • colour.geometry.MAPPING_PLANE_TO_AXIS
    • colour.geometry.primitive_grid
    • colour.geometry.primitive_cube
  • Primitive Vertices
    • colour.PRIMITIVE_VERTICES_METHODS
    • colour.primitive_vertices
    • colour.geometry.primitive_vertices_quad_mpl
    • colour.geometry.primitive_vertices_grid_mpl
    • colour.geometry.primitive_vertices_cube_mpl
    • colour.geometry.primitive_vertices_sphere
  • Hull Section
    • colour.geometry.hull_section
• Automatic Colour Conversion Graph
  • Conversion
    • colour.convert
    • colour.describe_conversion_path
• Annotation Type Hints
  • colour.hints.ArrayLike
    • ArrayLike
  • colour.hints.NDArray
    • NDArray
  • colour.hints.ModuleType
    • ModuleType
  • colour.hints.Any
    • Any
  • colour.hints.Callable
    • Callable
  • colour.hints.ClassVar
    • ClassVar
  • colour.hints.Dict
    • Dict
  • colour.hints.Generator
    • Generator
  • colour.hints.Iterable
    • Iterable
  • colour.hints.Iterator
    • Iterator
  • colour.hints.List
    • List
  • colour.hints.Literal
    • Literal
  • colour.hints.Mapping
    • Mapping
  • colour.hints.NewType
    • NewType
  • colour.hints.Optional
    • Optional
  • colour.hints.Protocol
    • Protocol
  • colour.hints.Sequence
    • Sequence
  • colour.hints.SupportsIndex
    • SupportsIndex
  • colour.hints.TYPE_CHECKING
    • TYPE_CHECKING
  • colour.hints.TextIO
    • TextIO
  • colour.hints.Tuple
    • Tuple
  • colour.hints.Type
    • Type
  • colour.hints.TypeVar
    • TypeVar
  • colour.hints.TypedDict
    • TypedDict()
  • colour.hints.Union
    • Union
  • colour.hints.cast
    • cast()
  • colour.hints.overload
    • overload()
  • colour.hints.runtime_checkable
    • runtime_checkable()
  • colour.hints.Self
    • Self
  • colour.hints.RegexFlag
    • RegexFlag
  • colour.hints.DTypeInt
    • DTypeInt
  • colour.hints.DTypeFloat
    • DTypeFloat
  • colour.hints.DTypeReal
    • DTypeReal
  • colour.hints.DTypeComplex
    • DTypeComplex
  • colour.hints.DTypeBoolean
    • DTypeBoolean
  • colour.hints.DType
    • DType
  • colour.hints.Real
    • Real
  • colour.hints.Dataclass
    • Dataclass
  • colour.hints.NDArrayInt
    • NDArrayInt
  • colour.hints.NDArrayFloat
    • NDArrayFloat
  • colour.hints.NDArrayReal
    • NDArrayReal
  • colour.hints.NDArrayComplex
    • NDArrayComplex
  • colour.hints.NDArrayBoolean
    • NDArrayBoolean
  • colour.hints.NDArrayStr
    • NDArrayStr
  • colour.hints.ProtocolInterpolator
    • ProtocolInterpolator
  • colour.hints.ProtocolExtrapolator
    • ProtocolExtrapolator
  • colour.hints.ProtocolLUTSequenceItem
    • ProtocolLUTSequenceItem
  • colour.hints.LiteralWarning
    • LiteralWarning
  • colour.hints.LiteralChromaticAdaptationTransform
    • LiteralChromaticAdaptationTransform
  • colour.hints.LiteralColourspaceModel
    • LiteralColourspaceModel
  • colour.hints.LiteralRGBColourspace
    • LiteralRGBColourspace
  • colour.hints.LiteralLogEncoding
    • LiteralLogEncoding
  • colour.hints.LiteralLogDecoding
    • LiteralLogDecoding
  • colour.hints.LiteralOETF
    • LiteralOETF
  • colour.hints.LiteralOETFInverse
    • LiteralOETFInverse
  • colour.hints.LiteralEOTF
    • LiteralEOTF
  • colour.hints.LiteralEOTFInverse
    • LiteralEOTFInverse
  • colour.hints.LiteralCCTFEncoding
    • LiteralCCTFEncoding
  • colour.hints.LiteralCCTFDecoding
    • LiteralCCTFDecoding
  • colour.hints.LiteralOOTF
    • LiteralOOTF
  • colour.hints.LiteralOOTFInverse
    • LiteralOOTFInverse
  • colour.hints.LiteralLUTReadMethod
    • LiteralLUTReadMethod
  • colour.hints.LiteralLUTWriteMethod
    • LiteralLUTWriteMethod
  • colour.hints.LiteralFontScaling
    • LiteralFontScaling
• Input and Output
  • Image Data
    • colour.READ_IMAGE_METHODS
    • colour.read_image
    • colour.WRITE_IMAGE_METHODS
    • colour.write_image
    • colour.io.ImageAttribute_Specification
    • colour.io.convert_bit_depth
    • colour.io.read_image_OpenImageIO
    • colour.io.write_image_OpenImageIO
    • colour.io.read_image_Imageio
    • colour.io.write_image_Imageio
    • colour.io.as_3_channels_image
  • OpenColorIO Processing
    • colour.io.process_image_OpenColorIO
  • Look Up Table (LUT) Data
    • colour.LUT1D
    • colour.LUT3x1D
    • colour.LUT3D
    • colour.LUTOperatorMatrix
    • colour.LUTSequence
    • colour.read_LUT
    • colour.write_LUT
    • colour.io.AbstractLUTSequenceOperator
    • colour.io.LUT_to_LUT
    • colour.io.read_LUT_Cinespace
    • colour.io.write_LUT_Cinespace
    • colour.io.read_LUT_IridasCube
    • colour.io.write_LUT_IridasCube
    • colour.io.read_LUT_SonySPI1D
    • colour.io.write_LUT_SonySPI1D
    • colour.io.read_LUT_SonySPI3D
    • colour.io.write_LUT_SonySPI3D
  • CSV Tabular Data
    • colour.read_sds_from_csv_file
    • colour.read_spectral_data_from_csv_file
    • colour.write_sds_to_csv_file
  • IES TM-27-14 Data
    • colour.SpectralDistribution_IESTM2714
  • UPRTek and Sekonic Spectral Data
    • colour.SpectralDistribution_UPRTek
    • colour.SpectralDistribution_Sekonic
  • X-Rite Data
    • colour.read_sds_from_xrite_file
• Colour Models
  • Tristimulus Values, CIE xyY Colourspace and Chromaticity Coordinates
    • colour.XYZ_to_xyY
    • colour.xyY_to_XYZ
    • colour.XYZ_to_xy
    • colour.xy_to_XYZ
    • colour.xyY_to_xy
    • colour.xy_to_xyY
  • Common Models
    • colour.COLOURSPACE_MODELS
    • colour.models.Jab_to_JCh
    • colour.models.JCh_to_Jab
    • colour.models.XYZ_to_Iab
    • colour.models.Iab_to_XYZ
  • CIE L*a*b* Colourspace
    • colour.XYZ_to_Lab
    • colour.Lab_to_XYZ
    • colour.Lab_to_LCHab
    • colour.LCHab_to_Lab
  • CIE L*u*v* Colourspace
    • colour.XYZ_to_Luv
    • colour.Luv_to_XYZ
    • colour.Luv_to_LCHuv
    • colour.LCHuv_to_Luv
    • colour.Luv_to_uv
    • colour.uv_to_Luv
    • colour.Luv_uv_to_xy
    • colour.xy_to_Luv_uv
  • CIE 1960 UCS Colourspace
    • colour.XYZ_to_UCS
    • colour.UCS_to_XYZ
    • colour.UCS_to_uv
    • colour.uv_to_UCS
    • colour.UCS_uv_to_xy
    • colour.xy_to_UCS_uv
  • CIE 1964 U*V*W* Colourspace
    • colour.XYZ_to_UVW
    • colour.UVW_to_XYZ
  • Hunter L,a,b Colour Scale
    • colour.XYZ_to_Hunter_Lab
    • colour.Hunter_Lab_to_XYZ
    • colour.XYZ_to_K_ab_HunterLab1966
  • Hunter Rd,a,b Colour Scale
    • colour.XYZ_to_Hunter_Rdab
    • colour.Hunter_Rdab_to_XYZ
  • DIN99 Colourspace and DIN99b, DIN99c, DIN99d Refined Formulas
    • colour.Lab_to_DIN99
    • colour.DIN99_to_Lab
    • colour.XYZ_to_DIN99
    • colour.DIN99_to_XYZ
  • CAM02-LCD, CAM02-SCD, and CAM02-UCS Colourspaces - Luo, Cui and Li (2006)
    • colour.JMh_CIECAM02_to_CAM02LCD
    • colour.CAM02LCD_to_JMh_CIECAM02
    • colour.JMh_CIECAM02_to_CAM02SCD
    • colour.CAM02SCD_to_JMh_CIECAM02
    • colour.JMh_CIECAM02_to_CAM02UCS
    • colour.CAM02UCS_to_JMh_CIECAM02
    • colour.XYZ_to_CAM02LCD
    • colour.CAM02LCD_to_XYZ
    • colour.XYZ_to_CAM02SCD
    • colour.CAM02SCD_to_XYZ
    • colour.XYZ_to_CAM02UCS
    • colour.CAM02UCS_to_XYZ
  • CAM16-LCD, CAM16-SCD, and CAM16-UCS Colourspaces - Li et al. (2017)
    • colour.JMh_CAM16_to_CAM16LCD
    • colour.CAM16LCD_to_JMh_CAM16
    • colour.JMh_CAM16_to_CAM16SCD
    • colour.CAM16SCD_to_JMh_CAM16
    • colour.JMh_CAM16_to_CAM16UCS
    • colour.CAM16UCS_to_JMh_CAM16
    • colour.XYZ_to_CAM16LCD
    • colour.CAM16LCD_to_XYZ
    • colour.XYZ_to_CAM16SCD
    • colour.CAM16SCD_to_XYZ
    • colour.XYZ_to_CAM16UCS
    • colour.CAM16UCS_to_XYZ
  • \(IC_AC_B\) Colourspace
    • colour.XYZ_to_ICaCb
    • colour.ICaCb_to_XYZ
  • \(I_GP_GT_G\) Colourspace
    • colour.XYZ_to_IgPgTg
    • colour.IgPgTg_to_XYZ
  • IPT Colourspace
    • colour.XYZ_to_IPT
    • colour.IPT_to_XYZ
    • colour.IPT_hue_angle
  • Ragoo and Farup (2021) Optimised IPT Colourspace
    • colour.XYZ_to_IPT_Ragoo2021
    • colour.IPT_Ragoo2021_to_XYZ
  • hdr-CIELAB Colourspace
    • colour.XYZ_to_hdr_CIELab
    • colour.hdr_CIELab_to_XYZ
    • colour.HDR_CIELAB_METHODS
  • hdr-IPT Colourspace
    • colour.XYZ_to_hdr_IPT
    • colour.hdr_IPT_to_XYZ
    • colour.HDR_IPT_METHODS
  • Oklab Colourspace
    • colour.XYZ_to_Oklab
    • colour.Oklab_to_XYZ
  • OSA UCS Colourspace
    • colour.XYZ_to_OSA_UCS
    • colour.OSA_UCS_to_XYZ
  • ProLab Colourspace
    • colour.XYZ_to_ProLab
    • colour.ProLab_to_XYZ
  • Yrg Colourspace - Kirk (2019)
    • colour.XYZ_to_Yrg
    • colour.Yrg_to_XYZ
    • colour.models.LMS_to_Yrg
    • colour.models.Yrg_to_LMS
  • \(Jzazbz\) Colourspace
    • colour.XYZ_to_Jzazbz
    • colour.Jzazbz_to_XYZ
    • colour.models.IZAZBZ_METHODS
    • colour.models.XYZ_to_Izazbz
    • colour.models.Izazbz_to_XYZ
  • RGB Colourspace and Transformations
    • colour.XYZ_to_RGB
    • colour.RGB_to_XYZ
    • colour.RGB_to_RGB
    • colour.matrix_RGB_to_RGB
    • colour.XYZ_to_sRGB
    • colour.sRGB_to_XYZ
    • RGB Colourspace Derivation
    • RGB Colourspaces
    • Colour Component Transfer Functions
    • Opto-Electronic Transfer Functions
    • Electro-Optical Transfer Functions
    • Opto-Optical Transfer Functions
    • Log Encoding and Decoding
    • Colour Encodings
    • RGB Representations
    • Recommendation ITU-T H.273 Code points for Video Signal Type Identification
  • Pointer’s Gamut
    • colour.models.CCS_ILLUMINANT_POINTER_GAMUT
    • colour.models.DATA_POINTER_GAMUT_VOLUME
    • colour.models.CCS_POINTER_GAMUT_BOUNDARY
• Colour Notation Systems
  • Munsell Renotation System
    • colour.munsell_colour_to_xyY
    • colour.xyY_to_munsell_colour
    • colour.MUNSELL_COLOURS
  • Munsell Value
    • colour.munsell_value
    • colour.MUNSELL_VALUE_METHODS
    • Priest, Gibson and MacNicholas (1920)
    • Munsell, Sloan and Godlove (1933)
    • Moon and Spencer (1943)
    • Saunderson and Milner (1944)
    • Ladd and Pinney (1955)
    • McCamy (1987)
    • ASTM D1535-08e1
  • Hexadecimal Representation
    • colour.notation.RGB_to_HEX
    • colour.notation.HEX_to_RGB
  • Web Colours
    • colour.notation.CSS_COLOR_3_BASIC
    • colour.notation.CSS_COLOR_3_EXTENDED
    • colour.notation.CSS_COLOR_3
    • colour.notation.keyword_to_RGB_CSSColor3
• Optical Phenomena
  • Rayleigh Scattering
    • colour.rayleigh_scattering
    • colour.sd_rayleigh_scattering
    • colour.scattering_cross_section
    • colour.phenomena.rayleigh_optical_depth
• Plotting
  • Common
    • colour.plotting.ColourSwatch
    • colour.plotting.colour_style
    • colour.plotting.override_style
    • colour.plotting.colour_cycle
    • colour.plotting.artist
    • colour.plotting.camera
    • colour.plotting.render
    • colour.plotting.label_rectangles
    • colour.plotting.uniform_axes3d
    • colour.plotting.plot_single_colour_swatch
    • colour.plotting.plot_multi_colour_swatches
    • colour.plotting.plot_single_function
    • colour.plotting.plot_multi_functions
    • colour.plotting.plot_image
    • colour.plotting.common.KwargsArtist
    • colour.plotting.common.KwargsCamera
    • colour.plotting.common.KwargsRender
    • colour.plotting.common.font_scaling
    • colour.plotting.common.filter_passthrough
    • colour.plotting.common.filter_RGB_colourspaces
    • colour.plotting.common.filter_cmfs
    • colour.plotting.common.filter_illuminants
    • colour.plotting.common.filter_colour_checkers
  • Colorimetry
    • colour.plotting.plot_single_sd
    • colour.plotting.plot_multi_sds
    • colour.plotting.plot_single_cmfs
    • colour.plotting.plot_multi_cmfs
    • colour.plotting.plot_single_illuminant_sd
    • colour.plotting.plot_multi_illuminant_sds
    • colour.plotting.plot_visible_spectrum
    • colour.plotting.plot_single_lightness_function
    • colour.plotting.plot_multi_lightness_functions
    • colour.plotting.plot_single_luminance_function
    • colour.plotting.plot_multi_luminance_functions
    • colour.plotting.plot_blackbody_spectral_radiance
    • colour.plotting.plot_blackbody_colours
  • Colour Vision Deficiency
    • colour.plotting.plot_cvd_simulation_Machado2009
  • Colour Characterisation
    • colour.plotting.plot_single_colour_checker
    • colour.plotting.plot_multi_colour_checkers
  • Corresponding Chromaticities
    • colour.plotting.plot_corresponding_chromaticities_prediction
  • CIE Chromaticity Diagrams
    • colour.plotting.METHODS_CHROMATICITY_DIAGRAM
    • colour.plotting.LABELS_CHROMATICITY_DIAGRAM_DEFAULT
    • colour.plotting.lines_spectral_locus
    • colour.plotting.plot_chromaticity_diagram_CIE1931
    • colour.plotting.plot_chromaticity_diagram_CIE1960UCS
    • colour.plotting.plot_chromaticity_diagram_CIE1976UCS
    • colour.plotting.plot_sds_in_chromaticity_diagram_CIE1931
    • colour.plotting.plot_sds_in_chromaticity_diagram_CIE1960UCS
    • colour.plotting.plot_sds_in_chromaticity_diagram_CIE1976UCS
    • colour.plotting.diagrams.plot_spectral_locus
    • colour.plotting.diagrams.plot_chromaticity_diagram_colours
    • colour.plotting.diagrams.plot_chromaticity_diagram
    • colour.plotting.diagrams.plot_sds_in_chromaticity_diagram
  • Colour Models
    • colour.plotting.plot_RGB_colourspaces_in_chromaticity_diagram_CIE1931
    • colour.plotting.plot_RGB_colourspaces_in_chromaticity_diagram_CIE1960UCS
    • colour.plotting.plot_RGB_colourspaces_in_chromaticity_diagram_CIE1976UCS
    • colour.plotting.plot_RGB_chromaticities_in_chromaticity_diagram_CIE1931
    • colour.plotting.plot_RGB_chromaticities_in_chromaticity_diagram_CIE1960UCS
    • colour.plotting.plot_RGB_chromaticities_in_chromaticity_diagram_CIE1976UCS
    • colour.plotting.plot_ellipses_MacAdam1942_in_chromaticity_diagram_CIE1931
    • colour.plotting.plot_ellipses_MacAdam1942_in_chromaticity_diagram_CIE1960UCS
    • colour.plotting.plot_ellipses_MacAdam1942_in_chromaticity_diagram_CIE1976UCS
    • colour.plotting.plot_single_cctf
    • colour.plotting.plot_multi_cctfs
    • colour.plotting.plot_constant_hue_loci
    • colour.plotting.models.colourspace_model_axis_reorder
    • colour.plotting.models.lines_pointer_gamut
    • colour.plotting.models.plot_pointer_gamut
    • colour.plotting.models.plot_RGB_colourspaces_in_chromaticity_diagram
    • colour.plotting.models.plot_RGB_chromaticities_in_chromaticity_diagram
    • colour.plotting.models.plot_ellipses_MacAdam1942_in_chromaticity_diagram
  • Colour Notation Systems
    • colour.plotting.plot_single_munsell_value_function
    • colour.plotting.plot_multi_munsell_value_functions
  • Optical Phenomena
    • colour.plotting.plot_single_sd_rayleigh_scattering
    • colour.plotting.plot_the_blue_sky
  • Colour Quality
    • colour.plotting.plot_single_sd_colour_rendering_index_bars
    • colour.plotting.plot_multi_sds_colour_rendering_indexes_bars
    • colour.plotting.plot_single_sd_colour_quality_scale_bars
    • colour.plotting.plot_multi_sds_colour_quality_scales_bars
    • colour.plotting.quality.plot_colour_quality_bars
  • Gamut Section Plotting
    • colour.plotting.plot_visible_spectrum_section
    • colour.plotting.plot_RGB_colourspace_section
    • colour.plotting.section.plot_hull_section_colours
    • colour.plotting.section.plot_hull_section_contour
  • Colour Temperature & Correlated Colour Temperature
    • colour.plotting.lines_daylight_locus
    • colour.plotting.LABELS_PLANCKIAN_LOCUS_DEFAULT
    • colour.plotting.lines_planckian_locus
    • colour.plotting.plot_planckian_locus_in_chromaticity_diagram_CIE1931
    • colour.plotting.plot_planckian_locus_in_chromaticity_diagram_CIE1960UCS
    • colour.plotting.plot_planckian_locus_in_chromaticity_diagram_CIE1976UCS
    • colour.plotting.temperature.plot_daylight_locus
    • colour.plotting.temperature.plot_planckian_locus
    • colour.plotting.temperature.plot_planckian_locus_in_chromaticity_diagram
  • Colour Models Volume
    • colour.plotting.plot_RGB_colourspaces_gamuts
    • colour.plotting.plot_RGB_scatter
  • ANSI/IES TM-30-18 Colour Rendition Report
    • colour.plotting.plot_single_sd_colour_rendition_report
    • colour.plotting.tm3018.plot_single_sd_colour_rendition_report_full
    • colour.plotting.tm3018.plot_single_sd_colour_rendition_report_intermediate
    • colour.plotting.tm3018.plot_single_sd_colour_rendition_report_simple
  • Automatic Colour Conversion Graph
    • colour.plotting.plot_automatic_colour_conversion_graph
• Colour Quality
  • Colour Fidelity Index
    • colour.COLOUR_FIDELITY_INDEX_METHODS
    • colour.colour_fidelity_index
    • colour.quality.ColourRendering_Specification_CIE2017
    • colour.quality.colour_fidelity_index_CIE2017
    • colour.quality.ColourQuality_Specification_ANSIIESTM3018
    • colour.quality.colour_fidelity_index_ANSIIESTM3018
  • Colour Rendering Index
    • colour.colour_rendering_index
    • colour.quality.ColourRendering_Specification_CRI
  • Colour Quality Scale
    • colour.COLOUR_QUALITY_SCALE_METHODS
    • colour.colour_quality_scale
    • colour.quality.ColourRendering_Specification_CQS
  • Academy Spectral Similarity Index (SSI)
    • colour.spectral_similarity_index
• Spectral Recovery and Up-sampling
  • Reflectance Recovery
    • CIE XYZ Colourspace to Spectral
    • Jakob and Hanika (2019)
    • Mallett and Yuksel (2019)
    • Meng, Simon and Hanika (2015)
    • Otsu, Yamamoto and Hachisuka (2018)
    • Smits (1999)
  • Camera RGB Sensitivities Recovery
    • Jiang, Liu, Gu and Süsstrunk (2013)
• Colour Temperature
  • Correlated Colour Temperature
    • colour.uv_to_CCT
    • colour.UV_TO_CCT_METHODS
    • colour.CCT_to_uv
    • colour.CCT_TO_UV_METHODS
    • colour.xy_to_CCT
    • colour.XY_TO_CCT_METHODS
    • colour.CCT_to_xy
    • colour.CCT_TO_XY_METHODS
    • Robertson (1968)
    • Krystek (1985)
    • Ohno (2013)
    • Planck (1900)
    • McCamy (1992)
    • Hernandez-Andres, Lee and Romero (1999)
    • Kang, Moon, Hong, Lee, Cho and Kim (2002)
    • CIE Illuminant D Series
• Utilities
  • Callback Management
    • colour.utilities.Callback
    • colour.utilities.MixinCallback
  • Common
    • colour.domain_range_scale
    • colour.get_domain_range_scale
    • colour.set_domain_range_scale
    • colour.utilities.CacheRegistry
    • colour.utilities.is_caching_enabled
    • colour.utilities.set_caching_enable
    • colour.utilities.caching_enable
    • colour.utilities.CACHE_REGISTRY
    • colour.utilities.handle_numpy_errors
    • colour.utilities.ignore_numpy_errors
    • colour.utilities.raise_numpy_errors
    • colour.utilities.print_numpy_errors
    • colour.utilities.warn_numpy_errors
    • colour.utilities.ignore_python_warnings
    • colour.utilities.attest
    • colour.utilities.batch
    • colour.utilities.disable_multiprocessing
    • colour.utilities.multiprocessing_pool
    • colour.utilities.is_ctlrender_installed
    • colour.utilities.is_graphviz_installed
    • colour.utilities.is_matplotlib_installed
    • colour.utilities.is_networkx_installed
    • colour.utilities.is_opencolorio_installed
    • colour.utilities.is_openimageio_installed
    • colour.utilities.is_pandas_installed
    • colour.utilities.is_tqdm_installed
    • colour.utilities.is_trimesh_installed
    • colour.utilities.is_xxhash_installed
    • colour.utilities.required
    • colour.utilities.as_bool
    • colour.utilities.is_iterable
    • colour.utilities.is_string
    • colour.utilities.is_numeric
    • colour.utilities.is_integer
    • colour.utilities.is_sibling
    • colour.utilities.filter_kwargs
    • colour.utilities.filter_mapping
    • colour.utilities.first_item
    • colour.utilities.copy_definition
    • colour.utilities.validate_method
    • colour.utilities.optional
    • colour.utilities.slugify
    • colour.utilities.int_digest
  • Array
    • colour.utilities.MixinDataclassFields
    • colour.utilities.MixinDataclassIterable
    • colour.utilities.MixinDataclassArray
    • colour.utilities.MixinDataclassArithmetic
    • colour.utilities.as_array
    • colour.utilities.as_int
    • colour.utilities.as_float
    • colour.utilities.as_int_array
    • colour.utilities.as_float_array
    • colour.utilities.as_int_scalar
    • colour.utilities.as_float_scalar
    • colour.utilities.set_default_int_dtype
    • colour.utilities.set_default_float_dtype
    • colour.utilities.to_domain_1
    • colour.utilities.to_domain_10
    • colour.utilities.to_domain_100
    • colour.utilities.to_domain_degrees
    • colour.utilities.to_domain_int
    • colour.utilities.from_range_1
    • colour.utilities.from_range_10
    • colour.utilities.from_range_100
    • colour.utilities.from_range_degrees
    • colour.utilities.from_range_int
    • colour.utilities.is_ndarray_copy_enabled
    • colour.utilities.set_ndarray_copy_enable
    • colour.utilities.ndarray_copy_enable
    • colour.utilities.ndarray_copy
    • colour.utilities.closest_indexes
    • colour.utilities.closest
    • colour.utilities.interval
    • colour.utilities.is_uniform
    • colour.utilities.has_only_nan
    • colour.utilities.in_array
    • colour.utilities.tstack
    • colour.utilities.tsplit
    • colour.utilities.row_as_diagonal
    • colour.utilities.orient
    • colour.utilities.centroid
    • colour.utilities.fill_nan
    • colour.utilities.ndarray_write
    • colour.utilities.zeros
    • colour.utilities.ones
    • colour.utilities.full
    • colour.utilities.index_along_last_axis
    • colour.utilities.format_array_as_row
  • Metrics
    • colour.utilities.metric_mse
    • colour.utilities.metric_psnr
  • Data Structures
    • colour.utilities.CanonicalMapping
    • colour.utilities.LazyCanonicalMapping
    • colour.utilities.Lookup
    • colour.utilities.Node
    • colour.utilities.Structure
  • Verbose
    • colour.utilities.message_box
    • colour.utilities.show_warning
    • colour.utilities.warning
    • colour.utilities.filter_warnings
    • colour.utilities.suppress_warnings
    • colour.utilities.suppress_stdout
    • colour.utilities.numpy_print_options
    • colour.utilities.describe_environment
    • colour.utilities.multiline_str
    • colour.utilities.multiline_repr
    • colour.utilities.ColourWarning
    • colour.utilities.ColourUsageWarning
    • colour.utilities.ColourRuntimeWarning
• Colour Volume
  • Optimal Colour Stimuli - MacAdam Limits
    • colour.is_within_macadam_limits
    • colour.OPTIMAL_COLOUR_STIMULI_ILLUMINANTS
  • Mesh Volume
    • colour.is_within_mesh_volume
  • Pointer’s Gamut
    • colour.is_within_pointer_gamut
  • RGB Volume
    • colour.RGB_colourspace_limits
    • colour.RGB_colourspace_pointer_gamut_coverage_MonteCarlo
    • colour.RGB_colourspace_visible_spectrum_coverage_MonteCarlo
    • colour.RGB_colourspace_volume_MonteCarlo
    • colour.RGB_colourspace_volume_coverage_MonteCarlo
  • Rösch-MacAdam Colour solid - Visible Spectrum
    • colour.is_within_visible_spectrum
    • colour.volume.generate_pulse_waves
    • colour.volume.XYZ_outer_surface
    • colour.volume.solid_RoschMacAdam