GUILT-FREE GLAMOUR!?br> Blue Angel is a light sky blue hair dye in our Creamtones Perfect Pastel collection. For best results, it is required to lighten hair to the lightest level 10 blonde or lighter and toning hair that has yellow tones before use to avoid undesired hues. Pastels/Greys/Toners contain less pigment than our vivid shades and will fade from your hair faster.