The ovoid composition at the center of the large, dark canvas of Exclose is defined by pink (almost fluorescent) rays that also cut diagonally across and directly through its circumscribed enclosure; a diagram that might imply inward compression from the encircling soup of mitochondrial forms, outward expansion from a thin and greenly veined core, or perhaps capture the simultaneous effect of both forces exerted at once. (artsy.net)
Concurrently he worked on his Night Blooming series (1951), painting dark canvases with a mixture of pigment, gravel, and dirt. (rauschenbergfoundation.org)
The prominent commissions for the Rothko Chapel in Houston and the Seagram Building murals in New York receive extended treatment, as do many of the lesser - known and underappreciated aspects of Rothko's oeuvre, including reassessments of his late dark canvases and his formidable body of works on paper. (prabook.com)