Operators - new category: color?

[MatzElectronics]

Currently, in values, there are a couple of blocks that aren't really values - they are color math operations. Additionally, there has been a long standing desire from many individuals who have used RGB-LEDs for some kind of block that can be used to adjust their brightness. This new block would be another color operation block.

Can we discuss moving the existing color operators and the addition of a block or two related to color brightness, or perhaps RGB<->HSL conversion (which could be used for brightness control)?