CIE Lab* color with optional alpha.
Channel ranges: l 0-100; a -128 to 127 (green-red); b -128 to 127 (blue-yellow); alpha 0-1. Named alpha to avoid colliding with the a channel.
l
a
b
alpha
Green-red axis, -128 to 127.
Optional
Optional alpha, 0-1.
Blue-yellow axis, -128 to 127.
Lightness, 0-100.
CIE Lab* color with optional alpha.
Channel ranges:
l0-100;a-128 to 127 (green-red);b-128 to 127 (blue-yellow);alpha0-1. Namedalphato avoid colliding with theachannel.