2 pieces that show how Color positively/negatively impacts design

I have selected the Official NBA Logo as a positive example of color use. The intense blue and red colors on opposite sides create the image of a basketball player using white space! In my opinion, this is the coolest sports logo with great color contrast.  I chose a purple and green Atlanta hat (sold at LIDS) as an example where color negatively impacts the design. There are probably very few people who would look good wearing this hat! The Green and Purple colors are clashing together. It is just not the best looking hat!