rgoybiv

type ColorProminence struct {
	Value      color.Color
	Prominence float64
}

type ColorProminences []ColorProminence

type Options struct {
	// start with an adaptive palette of this size
	NQuantized int

	// min distance to consider two colors different
	MinDistance float64

	// ignore if less than this proportion of image
	MinProminence float64

	// ignore if not saturated enough
	MinSaturation float64

	// keep only this many colors
	MaxColors int

	// level of Prominence indicating a bg color
	BackgroundProminence float32
}

type Palette struct {
	Colors     ColorProminences
	Background color.Color
}