How To Color

Walter Foster Publishing

Special Subjects: Basic Color Theory: An introduction to color for beginning artists

Zakka Workshop

Manga Artists Copic Marker Coloring Techniques: Learn How to Blend, Mix and Layer Color Like a Pro

Dover

How to Color Like an Artist: Colored Pencil Techniques Including Blending & Shading: Instructions for Blending, Shading and Other Techniques

Plume

Color Your Style: How to Wear Your True Colors  

Independently published

How to Color: Using Adult Coloring Books For Relaxation and Meditation

Harry N Abrams Inc

Colors: What They Mean and How to Make Them      

Artisan

Harvesting Color: How to Find Plants and Make Natural Dyes

Llewellyn Publications

How to Heal with Color (How To Series Book 4) (English Edition)

How To Color For Comics 01                      

The Experiment

The Mindfulness Patterns Coloring Book: Anti-stress Adult Coloring & How to Draw Soothing Patterns