So I know for light shirts you generally want a darker tie.
What about darker colored shirts? Would the opposite be true that you should go with a medium to light colored tie?
I would assume yes. If you wore a black shirt you wouldn't want a navy or black tie that you couldn't see. I think finding a tie that compliments the color of the suit and shirt are key, but this is something I'm working on myself. so for dark shirts I would stay away from dark hues and wear ties that pop, but not in an ugly sort of way. I think the light shirt/dark tie scenario is a grey area because you can still wear a light shirt and a patterned light tie if the patterns on the tie compliment the suit and shirt in some way.