Pantone 556 has a hex value of #66ba80 which gives it an RGB value of (102, 186, 128). That makes it approximately 40% red, 73% green, and 50% blue. On the CYMK color model Pantone 556 is 45 cyan, 31 yellow, 0 magenta, and 27 black. It is also 139° hue, 38% saturation, and 56% lightness on the HSL color model and 139° hue, 45% saturation, and 73% value on the HSV color model. Pantone 556 is a Pantone color with the name 556. Pantone 556 is not a DIC color, but it is close to DIC 2125s*. Pantone 556 is not a web safe color, but it is close to #66cc99.