Method complementary

source/core/StarColor.cpp:487–491

}

Color Color::complementary() {
  Color c = *this;
  c.setHue(c.hue() + 180);
  return c;
}

Color Color::mix(Color const& c, float amount) const {
  return Color::rgbaf(lerp(clamp(amount, 0.0f, 1.0f), toRgbaF(), c.toRgbaF()));