I used to, when still lived in Kentucky. But now that I'm in Australia, and the seasons are rather different, I dont' so much.
Although, I can not bring myself to wear white in winter (unless it's winter white!) and I can't bring myself to wear autumn colours (browns, oranges, ambers) at all, since we don't have the same kind of autumn. It just doesn't feel right.
I save the autumn colours for when I go home for Thanksgiving.
But I'll wear black all year round, and I love bright colours, tropical colours any time of the year.