Blend

Blend[{col₁, col₂}, x]
gives a color obtained by blending a fraction of color and x of color .

Blend[{col₁, col₂, col₃, ...}, x]
linearly interpolates between colors as x varies from 0 to 1.

Blend[{{x₁, col₁}, {x₂, col₂}, ...}, x]
interpolates to give when .

Blend[{col₁, col₂, ...}, {u₁, u₂, ...}]
blends all the , using fraction of color .

Blend[{col₁, col₂, ...}]
blends equal fractions of all the .