The hex color #61b72d is a light color. The web-safe version is Hex
#66CC33. A complementary color is
#9E48D2. The grayscale version is
#6C6C6C. A 20% lighter version of the original color is
#94EA60, and Hex
#2E8400 is the 20% darker color. If the color is saturated by 10%, you get
#60BE27. If the color is desaturated by 10%, the color
#62B033 is obtained.