Sir Isaac Newton invented the first color wheel. A century later Johann Wolfgang Goethe began studying the psychological effect of colors. He noticed that yellow has a warming effect and blue gives a feeling of coolness. Goethe then created a color wheel showing the psychological effect of each color.
I'm thinking of painting my bedroom this winter. Maybe a soothing shade of white with a light blue ceiling to lift my mood. Not really sure yet but I found a few photos on Pinterest that are tempting. What is your bedroom color?