(The hair swatch I selected here was a white color, as you can see where the true color is peeking through. I don't really know how to post photos here and I tried uploading the link to the imgur pics through the insert button, but in case it doesn't work, here's the direct link to the pictures I took so you can see what I'm talking about. It's the exact same for every version of the hairs including the original by Newsea.
I expect I'll have to change something in Sims4Studio. Sims 4 Hairs for Females or Males, Maxis Match CC, Alpha Hair, New Meshes, Recolors. For the hairstyle to display properly you need to set Sim Details to very high and turn off the Laptop mode. I deleted my cache and removed all mods and the resource.cfg file to see if it was another mod or cc conflicting with it, but these screenshots were taken in that state and the problem is still clearly there. Sims 4 NewSea's J 094 Miles Away hair - Long hairstyles. All level of detail meshes ( LODs) include.
So this hair (and companion hair) used to look fine IIRC, but for a really long time, there's been this like, mask over it, where you can see the color it's supposed to be in little places and the rest of it is muted in color. Hair: Newsea Disco Heaven, and the companion hair Disco Ball So I didn't know where to post this, but I hope here is okay!