And moving beyond the visual to branding: if there is an entrenched competitor in your space that uses a certain color (lets say blue), pick an opposite color (

And moving beyond the visual to branding: if there is an entrenched competitor in your space that uses a certain color (lets say blue), pick an opposite color (say red or green). If you color your logo/colorscheme the same as them, you are just confirming visually that your brand is a copy of them, and not positioning yourself as different, which will make it harder to compete (gain mindshare as the marketers say).