colors can affect your mood. for instance, the color blue can make you sleepy or make you have a headache. It depends for every person. It can be both the prosperity and culture. Colors have many different aspects, such as they inflict creativity and emotions.
Every person could have a different POV about colors, so the way they affect people can vary widely. For some people they can cause different emotions to appear than others. I believe that blue can elicit calmness and settledness because it makes me more productive and peaceful.