
[This is off one of Neonnoodle’s posts from SomethingAwful, but it’s such a useful technique I wanna repost it here.]
Here’s one approach I’ve found, which is based on the gamut mask idea, but a little simpler and tuned to working in PS:
1. Start with three color swatches:…
(Source: el-libre, via jessie-andthechipmunks)