Colour Quality#

Colour Fidelity Index#

colour

colour_fidelity_index(sd_test[, ...])

Compute the Colour Fidelity Index (CFI) \(R_f\) of the specified spectral distribution using the specified method.

COLOUR_FIDELITY_INDEX_METHODS

Supported Colour Fidelity Index (CFI) computation methods.

colour.quality

colour_fidelity_index_ANSIIESTM3018(...)

Compute the ANSI/IES TM-30-18 Colour Fidelity Index (CFI) \(R_f\) for the specified test spectral distribution.

colour_fidelity_index_CIE2017(...)

Compute the CIE 2017 Colour Fidelity Index (CFI) \(R_f\) of the specified spectral distribution.

ColourQuality_Specification_ANSIIESTM3018(...)

Define the ANSI/IES TM-30-18 Colour Fidelity Index (CFI) colour quality specification.

ColourRendering_Specification_CIE2017(name, ...)

Define the CIE 2017 Colour Fidelity Index (CFI) colour quality specification.

Colour Rendering Index#

colour

colour_rendering_index(...)

Compute the Colour Rendering Index (CRI) \(Q_a\) of the specified spectral distribution.

COLOUR_RENDERING_INDEX_METHODS

Supported Colour Rendering Index (CRI) computation methods.

colour.quality

ColourRendering_Specification_CRI(name, Q_a, ...)

Define the Colour Rendering Index (CRI) colour quality specification.

Colour Quality Scale#

colour

colour_quality_scale(...)

Compute the Colour Quality Scale (CQS) of the specified spectral distribution using the specified method.

COLOUR_QUALITY_SCALE_METHODS

Supported Colour Quality Scale (CQS) computation methods.

colour.quality

ColourRendering_Specification_CQS(name, Q_a, ...)

Define the Colour Quality Scale (CQS) colour rendering (quality) specification.

Academy Spectral Similarity Index (SSI)#

colour

spectral_similarity_index(sd_test, sd_reference)

Compute the Academy Spectral Similarity Index (SSI) of the specified test spectral distribution or multi-spectral distributions with the specified reference spectral distribution or multi-spectral distributions.