colour.Oklch_to_Oklab

colour.Oklch_to_Oklab(JCh: Annotated[ndarray[tuple[Any, ...], dtype[float16 | float32 | float64]], 1, 1, 360]) → Annotated[ndarray[tuple[Any, ...], dtype[float16 | float32 | float64]], 1]

Convert from Oklch colourspace to Oklab colourspace.

This is a convenient definition wrapping colour.models.JCh_to_Jab() definition.

Parameters:

JCh (Annotated[ndarray[tuple[Any, ...], dtype[float16 | float32 | float64]], (1, 1, 360)]) – Oklch colourspace array.

Returns:

Oklab colourspace array.

Return type:

numpy.ndarray