src/com/chroma/Chroma.java
public Chroma tint(double amount) {

		Args.checkForRange(amount, 0, 100,
				"Invalid tint() amount. Please enter a number between 0-100.");

		double lum = chroma.getLCH_L();
		double chr = chroma.getLCH_C();
		double hue = chroma.getLCH_H();
		double maxLuma = getMaxLuma(lum, chr, hue, 20, 0.1);

		return new Chroma(ColorSpace.LCH, maxLuma * (amount / 100.0), chr, hue);
	}
// Tint changes the lightness of the color (0-100% Absolute)
Tint changes the lightness of the color (0-100% Absolute)
Tint changes the lightness of the color ( 0 - 100% Absolute )
public Chroma tint(double amount) {
		Args.checkForRange(amount, 0, 100,
				"Invalid tint() amount. Please enter a number between 0-100.");
		double lum = chroma.getLCH_L();
		double chr = chroma.getLCH_C();
		double hue = chroma.getLCH_H();
		double maxLuma = getMaxLuma(lum, chr, hue, 20, 0.1);
		return new Chroma(ColorSpace.LCH, maxLuma * (amount / 100.0), chr, hue);
	}
public Chroma tint ( double amount ) { Args . checkForRange ( amount , 0 , 100 , "Invalid tint() amount. Please enter a number between 0-100." ) ; double lum = chroma . getLCH_L ( ) ; double chr = chroma . getLCH_C ( ) ; double hue = chroma . getLCH_H ( ) ; double maxLuma = getMaxLuma ( lum , chr , hue , 20 , 0.1 ) ; return new Chroma ( ColorSpace . LCH , maxLuma * ( amount / 100.0 ) , chr , hue ) ; }
Tint changes the lightness of the color (0-100% Absolute)
Tint changes the lightness of the color ( 0 - 100% Absolute )