Color #646664 has an RGB value of (100, 102, 100). That makes it approximately 39% red, 40% green, and 39% blue. On the CYMK color model #646664 is 2 cyan, 2 yellow, 0 magenta, and 60 black. It is also 120° hue, 1% saturation, and 40% lightness on the HSL color model and 120° hue, 2% saturation, and 40% value on the HSV color model. #646664 is not a Pantone color, but it is close to Pantone color 424. #646664 is not a DIC color, but it is close to DIC 514s. #646664 is not a web safe color, but it is close to #666666.