Special Effects hair dye. Hands down the best semi-permanent hair dye. No other brand can beat its vibrance and longevity. I recommend cupcake pink, electric blue, and deep purple. They even have glow in the dark colors.
A longtime bestseller and cult favorite, Directions by La Riche brightly colored semi-permanent hair dye comes in 34 exciting, vivid shades that cover all colors of the rainbow. Try this vivid hair dye to create pastel candy colored hair! http://www.eyecandys.com/directions-by-la-riche-bright-hair-color/: