The hex color #61d82b is a light color. The web-safe version is Hex
#66CC33. A complementary color is
#9E27D4. The grayscale version is
#777777. A 20% lighter version of the original color is
#94FF5E, and Hex
#2EA500 is the 20% darker color. If the color is saturated by 10%, you get
#5FE223. If the color is desaturated by 10%, the color
#63CE33 is obtained.