Studio Color Wheel Double-Sided Poster. This beautiful color reference poster is based on the Ives Color Wheel. Display it on your wall and use it to find the perfect combination of colors. Ideal for anyone who uses color in their work: quilters; sewers; needleworkers; artists; crafters; graphic designers; architects; illustrators; and more! Poster measures 28x28 inches and is double-sided. Designed by Joen Wolfrom.