Neon Vibes The best thing about a stand-out hair color is that it turns any outfit into a party-ready ensemble.Splat Hair Chalk in Lemon Lime (Lime Green) Give it a quick mist with your preferred hairspray to set it and wash it out with regular shampoo when finished. The bright lime green cosmetic chalk comes in a handy compact case and includes an easy-to-use applicator brush. Go (Electric) Green Going green is great!.