The hex color #e6fe2f is a light color. The web-safe version is Hex
#FFFF33. A complementary color is
#1901D0. The grayscale version is
#B1B1B1. A 20% lighter version of the original color is
#FFFF62, and Hex
#B3CB00 is the 20% darker color. If the color is saturated by 10%, you get
#EBFF22. If the color is desaturated by 10%, the color
#E1F63C is obtained.