Ten Colours , by gerhard richter , 1966 , abstract , Conceptual Art, Op Art style , Line, Pattern
A set of color swatches showing different shades of red, grey, yellow, and green.
 a color palette with nine different shades of color. The first shade is green. The second shade is red. The third shade is grey. The fourth shade is brown. The fifth shade is yellow. The sixth shade is teal. The seventh shade is white.