Color spaces are named organizations of colors for underlying color models of coordinate-based color arrangements. A color model defines how the components of a color (for example, the h, w, and b channels of an hwb() color) relate to a color space. Most color spaces are three- or four- dimensional grids that represent colors. Each dimension (or axis) corresponds to a different channel. Colors can be expressed in multiple color spaces, and can be transformed from one color space to another, while still looking the same....are only used as reference points in defining percentage inputs...