Horse Coat Color Dilution Genes There are a wide variety of dilution genes which affect base & modified colors. Dun About the dun dilution Creme About the cream dilution Silver About the silver dilution Champagne About the champagne dilution Pearl About the pearl dilution Mushroom About the mushroom dilution Light Black About the light black dilution More Colors Colors | Base | Modifiers | Dilutions | White Patterns | Rare | Markings