Shiny texture for Sleeves (with the bare hands). Sleeves work great for Tights, but not Tights Sleek. 😞
As for more colors, if they'd allow for loading a costume file directly instead of through the CC, maybe with another NPC, then we can alter the costume file to get the colors we really want. But then all sorts of weird things can be loaded: 2" tall people, 25-story tall people (huge distortion though, 15 story-tall was good but oh the lag), heads with no bodies (hmm, I didn't try body with no limbs, or no legs with very long arms). Maybe better if the CC didn't validate colors (we'd still have to alter the file ourselves).