colour.notation.triplet Module

Hexadecimal Triplet Notation

Defines objects for hexadecimal triplet notation:

• RGB_to_HEX()
• HEX_to_RGB()

colour.notation.triplet.RGB_to_HEX(RGB)

Converts from RGB colourspace to hexadecimal triplet representation.

Parameters:RGB (array_like) – RGB colourspace array. Returns:Hexadecimal triplet representation. Return type:unicode

Notes

• Input RGB colourspace array is in domain [0, 1].

Examples

>>> RGB = np.array([0.66666667, 0.86666667, 1.00000000])
>>> # Doctests skip for Python 2.x compatibility.
>>> RGB_to_HEX(RGB)  
'#aaddff'

colour.notation.triplet.HEX_to_RGB(HEX)

Converts from hexadecimal triplet representation to RGB colourspace.

Parameters:HEX (unicode or array_like) – Hexadecimal triplet representation. Returns:RGB colourspace array. Return type:ndarray

Notes

• Output RGB colourspace array is in range [0, 1].

Examples

>>> HEX = '#aaddff'
>>> HEX_to_RGB(HEX)  
array([ 0.6666666...,  0.8666666...,  1.        ])