Color #664d33 has an RGB value of (102, 77, 51). That makes it approximately 40% red, 30% green, and 20% blue. On the CYMK color model #664d33 is 0 cyan, 50 yellow, 25 magenta, and 60 black. It is also 31° hue, 33% saturation, and 30% lightness on the HSL color model and 31° hue, 50% saturation, and 40% value on the HSV color model. #664d33 is not a Pantone color, but it is close to Pantone color Warm Gray 11. #664d33 is not a DIC color, but it is close to DIC 333s*. #664d33 is not a web safe color, but it is close to #666633.