Colorless Men, The color white represents time passed, and the color black of the color less men, a deeper meaning of the resemblance of society based on ages passed. 

Original Women, This painting represents, an ancient women, in a cave. The brown represents a cave or a home, and the color black, the original color of humanity. The white spaces, represents birth and the cuts human re-birth. Kind of like a cave painting. 

This painting represents, the linear progression of time with symbols, the red represents innovation of an idea, the brown, anytime in history. The yellow represents human touch and the black tools. 

Man of energy, this painting. Shows a man, of energy in blue. Covered by bickering of society pressure, which is illustrated in the colors grey.