Farbenkugel in 7 Lichtstufen und 12 Tönen , by johannes itten , 1921 , Abstract Art style , Line, Graphic design, Pattern
A color wheel with different shades of blue, green, red, orange, and yellow.
A color wheel is shown on a piece of paper. The colors in the wheel are red, orange, yellow, green, blue, purple, and black. Below the wheel is a color chart with different shades of blue, green and red.