Color #666663 has an RGB value of (102, 102, 99). That makes it approximately 40% red, 40% green, and 39% blue. On the CYMK color model #666663 is 0 cyan, 3 yellow, 0 magenta, and 60 black. It is also 60° hue, 1% saturation, and 39% lightness on the HSL color model and 60° hue, 3% saturation, and 40% value on the HSV color model. #666663 is not a Pantone color, but it is close to Pantone color 424. #666663 is not a DIC color, but it is close to DIC 514s. #666663 is not a web safe color, but it is close to #666666.