The L (lightness) value of this color in the range [0,100] (lighter values are whiter).
The a opponent color axis value of this color. The positive direction represents redness, while the negative direction represents greenness.
The b opponent color axis value of this color. The positive direction represents yellowness, while the negative direction represents blueness.
A Hunter Lab representation of a color. Designed to be computed via simple formulas from CIEXYZ color space, but to be more perceptually uniform. A precursor to CIELAB.
See
Hunter Lab