Throwback to Emma's Merlot mermaid hair. You can get richer deeper reds like this by only lightening to about a before applying a red vivid color. Lifting to a 10 creates brightness lifting to a lower tone creates depth.
Lil breakdown of the colors used for hair I forgot the dang plus sign for the bottom color, but you get the idea in both mixtures I only used a tiny bit of Jen VandenBos violet is one strong motha. I used all diagonal sections, per usual.