I don't think there's very good correlation between generally ugly colors and those that make bad backgrounds. A lot of colors are good accents but would be ter

I don't think there's very good correlation between generally ugly colors and those that make bad backgrounds. A lot of colors are good accents but would be terrible background - probably anything at 100% saturation, 100% value (in HSV space) falls into this category, including the magenta you so dislike.