If you peek into your closet and come face-to-face with a sea of neutrals, navy, and black, you're not alone. Many people struggle with incorporating color into their wardrobes. The primary reason? They're not sure what colors work together, what the rules are for mixing and matching, and which hues they can best use to their advantage. But there's good news: there's a science behind color (discovered by none other than Sir Isaac Newton himself—seriously), which means there are easy-to-apply rules that you can put into effect in your own outfits, so you'll never fear a pop of red or a accent of orange again. Here's how.