chickadee » image-processing » l*ab->xyz

rgb->xyz cprocedure
xyz->rgb cprocedure
xyz->l*ab cprocedure
l*ab->xyz cprocedure
rgb->l*ab cprocedure
l*ab->rgb cprocedure

Convert to l*ab. Colors are vectors of values. This is space in which Euclidean distance is similar to human perceputal distance. These implement a 2 degree observer and the D65 illuminant.