A beautiful painting has no mere repetition of color and line but presents sufficient contrast to give variety and charm without setting up an ugly conflict among these colors and lines. (religion-online.org)
Goodyear had to have it transferred onto a plate and, with permission of the artist, darkened the outlines so as to obtain sufficient contrast in the litho. (americanabstractartists.org)
It looks sharp and has sufficient contrast. (pcmag.com)