Splat Hair Chalk, Midnight Blue Kit, Color Highlights for the Day. Color slides on dry, Easily washes out, Splat Hair Chalk is a beautiful way to add pastel color highlights to your hair. The chalk slides on dry and instantly adds just the right touch of color. We designed the compact to fit comfortably in the palm of your hand. It is easy to hold onto and apply to hair. The result is soft color that is easy to brush, curl or style after application. Easily Washes Out With Shampoo.