The hex color #c0f240 is a light color. The web-safe version is Hex
#CCFF33. A complementary color is
#3F0DBF. The grayscale version is
#A6A6A6. A 20% lighter version of the original color is
#F3FF73, and Hex
#8DBF0D is the 20% darker color. If the color is saturated by 10%, you get
#C3FA36. If the color is desaturated by 10%, the color
#BDEA4A is obtained.