colour.RGB_to_CMY¶

colour.RGB_to_CMY(RGB)[source]¶

Converts from RGB colourspace to CMY colourspace.

Parameters:	RGB (array_like) – RGB colourspace array.
Returns:	CMY array.
Return type:	ndarray

Notes

Domain	Scale - Reference	Scale - 1
`RGB`	[0, 1]	[0, 1]

Range	Scale - Reference	Scale - 1
`CMY`	[0, 1]	[0, 1]

References

[Easf]

Examples

>>> RGB = np.array([0.45620519, 0.03081071, 0.04091952])
>>> RGB_to_CMY(RGB)  # doctest: +ELLIPSIS
array([ 0.5437948...,  0.9691892...,  0.9590804...])