A nice touch is the matte black look, which reduces glare when you view the board from an angle.
12v Winch Rocker Thumb Switch With Mounting Bracket Handle Bar Control Switch Fo
What stands out about the black color is how it hides minor sc installation and handling.
The black color is a nice touch because it helps the relay blend into dark enclosures and backplanes.
I noticed the black housing looks clean on the rack and doesn't catch light in distracting ways.