The hex color #b7fe1c is a light color. The web-safe version is Hex
#CCFF33. A complementary color is
#4801E3. The grayscale version is
#9B9B9B. A 20% lighter version of the original color is
#EAFF4F, and Hex
#84CB00 is the 20% darker color. If the color is saturated by 10%, you get
#BAFF0F. If the color is desaturated by 10%, the color
#B4F429 is obtained.