Converts a color from JzAzBz to CIE Lab color space.
This function first converts the JzAzBz color to XYZ, then from XYZ to Lab.
The JzAzBz color to convert
Optional
The peak luminance of the display, in nits
The color in Lab space
Converts a color from JzAzBz to CIE Lab color space.
This function first converts the JzAzBz color to XYZ, then from XYZ to Lab.