The hex color #c5fc2c is a light color. The web-safe version is Hex
#CCFF33. A complementary color is
#3A03D3. The grayscale version is
#A4A4A4. A 20% lighter version of the original color is
#F8FF5F, and Hex
#92C900 is the 20% darker color. If the color is saturated by 10%, you get
#C8FF20. If the color is desaturated by 10%, the color
#C2F338 is obtained.