DIC 521s has a hex value of #5d5755 which gives it an RGB value of (93, 87, 85). That makes it approximately 36% red, 34% green, and 33% blue. On the CYMK color model DIC 521s is 0 cyan, 9 yellow, 6 magenta, and 64 black. It is also 15° hue, 4% saturation, and 35% lightness on the HSL color model and 15° hue, 9% saturation, and 36% value on the HSV color model. DIC 521s is not a Pantone color, but it is close to Pantone color Cool Gray 9. DIC 521s is a DIC color. DIC 521s is not a web safe color, but it is close to #666666.