The hue slider adjusts the primary shade of color. You can select between shades of red, orange, yellow, green, blue and purple here. The saturation slider adjusts the richness of the color. Less saturation produces a greyer, washed-out color, while more saturation produces a fuller, richer color. The darkness slider adjusts the blackness of the color.
Less darkness produces a lighter color, while more darkness produces a darker color.
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