Blue and Yellow-Based Hair Color Swatch Examples

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THE EVOLUTION OF COLOR KEY (The Blue Base/ Yellow Base Color System) BY BOB DORR

Mixed Spectrum vs One Spectrum Fabric: The definition of tacky

Magenta is an Imaginary Color, and is the Only Color That Can't Be Blue Based.

Interesting Facts About Color You May Not Know

How to determine undertone using a white background as a tool

How do we know there are 16 million colors that can be seen by the human eye?

You May Be Blue Based If You Prefer . .

You May Be Yellow Based If You Prefer. . .

Personal Coloring if You're Yellow Based

Personal Coloring If You're Blue Based

Seasons Color Analysis vs Blue Base/ Yellow Base Color System

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Scientifically Proven Color Systems That Led The Way For Robert Dorr