for the final project, the first row, I use the achromatic , which is back , white and gray.
 
at the second row, the color palette, I use monochrome. at right side, the dark value are use red+green to mix the dark vale, and little bit white in some small part.
 
at third part, the left side of the color palette, I use analogous.  the right side, the dark value use purple+yellow, light blue+orange, yellow green+red