The hex color #d3e63e is a light color. The web-safe version is Hex
#CCFF33. A complementary color is
#2C19C1. The grayscale version is
#A8A8A8. A 20% lighter version of the original color is
#FFFF71, and Hex
#A0B30B is the 20% darker color. If the color is saturated by 10%, you get
#D7EC33. If the color is desaturated by 10%, the color
#CFE049 is obtained.