Optional
alphaThe alpha (opacity) component (0-1), optional
Optional
illuminantThe reference white point used for this color
The X component, related to a mix of the cone response curves
The Y component, representing luminance
The Z component, roughly equal to blue stimulation
Represents a color in the CIE XYZ color space.
The CIE XYZ color space is a device-independent color space that serves as a standard reference for defining all other color spaces. It's based on direct measurements of human visual perception and is often used as an intermediate space for converting between other color spaces.