Featured images Four Color Artists: Kelly/Louis/Noland/Stella Sep 11, 1970 – Oct 25, 1970 Featured images Installation view, Four Color Artists: Kelly/Louis/Noland/Stella, MCA Chicago Photo: © MCA Chicago Installation view, Four Color Artists: Kelly/Louis/Noland/Stella, MCA Chicago Photo: © MCA Chicago Installation view, Four Color Artists: Kelly/Louis/Noland/Stella, MCA Chicago Photo: © MCA Chicago Installation view, Four Color Artists: Kelly/Louis/Noland/Stella, MCA Chicago Photo: © MCA Chicago