Color Blend in Different Color Spaces
The relationship between two colors is deeply influenced by the color model that is used to describe them. The function Blend performs a color mixing in the color's native space, thus preserving its natural metric and its characteristics.
Blend offers unique results depending on the color model.
Compare blue-to-red blend in RGB and HSB spaces.
A 3D representation of an RGB blend is a straight line in RGB itself but a curve in a perceptually accurate space like CIE .
Blue-to-red blend in four different color spaces.
Use red-to-blue (center to corner) blend in different spaces for coloring plots.