The hex color #c3e34d is a light color. The web-safe version is Hex
#CCCC66. A complementary color is
#3C1CB2. The grayscale version is
#A6A6A6. A 20% lighter version of the original color is
#F6FF80, and Hex
#90B01A is the 20% darker color. If the color is saturated by 10%, you get
#C6E944. If the color is desaturated by 10%, the color
#C0DD56 is obtained.