The hex color #77bd5c is a light color. The web-safe version is Hex
#66CC66. A complementary color is
#8842A3. The grayscale version is
#858585. A 20% lighter version of the original color is
#AAF08F, and Hex
#448A29 is the 20% darker color. If the color is saturated by 10%, you get
#76C358. If the color is desaturated by 10%, the color
#78B760 is obtained.