colour.RGB_to_IHLS

colour.RGB_to_IHLS(RGB: ArrayLike) → NDArrayFloat

Convert from RGB colourspace to IHLS (Improved HLS) colourspace.

Parameters:

RGB (ArrayLike) – RGB colourspace array.

Returns:

HYS colourspace array.

Return type:

numpy.ndarray

Notes

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

Range	Scale - Reference	Scale - 1
HYS	[0, 1]	[0, 1]

References

[Han03]

Examples

>>> RGB = np.array([0.45595571, 0.03039702, 0.04087245])
>>> RGB_to_IHLS(RGB)  
array([ 6.2616051...,  0.1216271...,  0.4255586...])