Figures 9, 10, 11, 12, and 13.  In each case, the man is wearing “brighter” colors than the woman, except for “neutral” items such as black, khaki, or blue denim.

Figures 4, 5, 6, 7, and 8.  In the first four frames, the woman is wearing “brighter” colors than the man, except for “neutral” items such as black, khaki, or blue denim.  The same pattern appears in same-sex happy couples, with one spouse wearing "brighter" or "more colorful" items than the other spouse. 

Kitchen Table Psychology Online