[Gallagher]

Originally Posted by Illusion

A lot of the colors shown in those dresses already exist in Trisphee's color sets, or at least have colors very close to them.

This is true as well. For those rare items that have manual rainbowing applied (which is entirely different from overlay rainbows), getting such an effect would be relatively easy. The yellow can be managed from either darkest yellow or lightest brown, the purple would be a mid-dark violet, and pink and teal midtones of their respective shades.

but items with manual rainbow applied are rare, and not something i'm likely to go out of my way to apply myself unless it's a special circumstance. for as much editing and recolor work as i do, i'm still not a pixelist and there are a lot of cases where really detailed gradient application requires more skill than i have.