Color #66757f has an RGB value of (102, 117, 127). That makes it approximately 40% red, 46% green, and 50% blue. On the CYMK color model #66757f is 20 cyan, 0 yellow, 8 magenta, and 50 black. It is also 204° hue, 11% saturation, and 45% lightness on the HSL color model and 204° hue, 20% saturation, and 50% value on the HSV color model. #66757f is not a Pantone color, but it is close to Pantone color Cool Gray 8. #66757f is not a DIC color, but it is close to DIC 447s. #66757f is not a web safe color, but it is close to #666666.