In this guide, we break down the differences between our blue semi-permanent shades, from deep navy tones to brighter electric hues. Whether you’re looking for something bold, cool-toned, or more muted, this comparison will help you find the blue that best matches your style.
The GDY Guide to Blue

Our newest addition to our blue hair dye family, Indigo Tea is a deep, dusky denim blue with cool smoky undertones.

The first blue shade we launched, Blue Ruin is a classic cobalt blue.

For a more subtle look, go with Dream Big, a deep navy blue. This shade works well on darker hair levels too!

Channel your inner mermaid with Narwhal, a true teal hue with light green undertones.

Sonic Wave is a high-enegry bright ocean blue with slight green undertones.

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