What are effects of colors on mood?

Each color has own. Colors can have strong effects on mood, and while there are general things that hold true, like red being stimulating and blue being calming, different people may react differently to the same color based on their learned associations with them. See http://www.Huffingtonpost.Com/2011/11/27/how-color-affects-our-moo_n_1114790.Html for more on this.