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)[source]¶

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)[source]¶

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 domain [0, 1].

Examples

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