These are the conversions that still need to be added that aren't in #28: - [ ] RGB -> YCbCr, L, P - [ ] RGBA -> YCbCrA, LA, PA - [ ] YCbCr -> RGB, L, P - [ ] YCbCrA -> RGBA, LA, PA - [ ] L -> YCbCr - [ ] LA -> YCbCrA - [ ] P -> YCbCr, L - [ ] PA -> YCbCrA, LA