Yep, I'm staff at two sites, RCT Space and RCT Mart.
I've actually got a palette that I can use, somewhat. Doctor J created an object editor/creator that contains a palette with the colors that he's pulled from the game. But there are a couple of other colors that create the 'sparkle' in the water that I'd like to see if I could add those to see if I can get the same effect in some of the objects I'm currently trying to create. Another, much better, creator has used those particular colors with the intended effect, but it was in the object's preview screen, not in the object itself.