exclusion method

Color exclusion(
  1. Color color1,
  2. Color color2
)

A similar effect to difference with lower contrast.

Parameters: color1: A color object to act as the minuend. color2: A color object to act as the subtrahend. Returns: color

Implementation

Color exclusion(Color color1, Color color2) =>
    colorBlend(fExclusion, color1, color2);