The hex color #68d77c is a light color. The web-safe version is Hex
#66CC66. A complementary color is
#972883. The grayscale version is
#949494. A 20% lighter version of the original color is
#9BFFAF, and Hex
#35A449 is the 20% darker color. If the color is saturated by 10%, you get
#64DE7A. If the color is desaturated by 10%, the color
#6CD07E is obtained.