I don't like it.
My natural ability to find pleasing color combinations is weak.
I have to cheat.
With a wheel arrangement, I can pick three or four colors proportionally distanced from each other. I always end up with pleasing results.
I believe these schemes are officially called "triadic" and "tetradic":
I guess that sounds nicer than "quick 'n' dirty ways to get a color scheme that doesn't clash". Most illustrations on my blog blog use variations of these. Throw in some tints (whiten or blacken) and they get even more interesting:
If I could get a "wheel" picker in Flash, I'd be very happy. I know it's possible. Others have it. What's the secret?