The hex color #e5f23d is a light color. The web-safe version is Hex
#CCFF33. A complementary color is
#1A0DC2. The grayscale version is
#B1B1B1. A 20% lighter version of the original color is
#FFFF70, and Hex
#B2BF0A is the 20% darker color. If the color is saturated by 10%, you get
#EAF831. If the color is desaturated by 10%, the color
#E0EC49 is obtained.