Paul Mitchell The Color Permanent Cream Hair Color 7Ab Ash Blue Blonde Paul Mitchell The Color makes you feel cool and confident with this new Ash blue shade that softly controls warmth of dominant pigments as hair is lifted. This must-have hue creates rich espresso brunettes, bittersweet cocoa tones, or dark smoky blondes. Level 7 Ash blue is ideal for lifting light brunettes while controlling warmth or for adding icy tones to a dark blonde base. It is perfect for guests who want to control unwanted warm tones and see natural results.