The hex color #e4fb1c is a light color. The web-safe version is Hex
#CCFF33. A complementary color is
#1B04E3. The grayscale version is
#A9A9A9. A 20% lighter version of the original color is
#FFFF4F, and Hex
#B1C800 is the 20% darker color. If the color is saturated by 10%, you get
#EAFF0E. If the color is desaturated by 10%, the color
#DEF32A is obtained.