The hex color #00c666 is a dark color. The web-safe version is Hex
#00CC66. A complementary color is
#FF3999. The grayscale version is
#646464. A 20% lighter version of the original color is
#33F999, and Hex
#009333 is the 20% darker color. If the color is saturated by 10%, you get
#00D066. If the color is desaturated by 10%, the color
#0ABC66 is obtained.