The hex color #81ba7c is a light color. The web-safe version is Hex
#99CC66. A complementary color is
#7E4583. The grayscale version is
#929292. A 20% lighter version of the original color is
#B4EDAF, and Hex
#4E8749 is the 20% darker color. If the color is saturated by 10%, you get
#7FBE7A. If the color is desaturated by 10%, the color
#83B67E is obtained.