Week 4- feeling light

I have a lamp with five colors in my room. The colors are yellow red blue green and purple. It has three settings- the first is purple and green, the second is yellow red and blue, and the third is all of the colors. I usually set it on the third because it give s the most light and because the combination of the colors is most pleasing. I've tried to read by the first setting, green and purple, but i start to feel cold, sterile and sick. the second is too warm and irritating. It harkens back to color theory, where the primary colors combined should result in white light. The combined colors of my lamp create a more natural feeling.