The hex color #d9f83d is a light color. The web-safe version is Hex
#CCFF33. A complementary color is
#2607C2. The grayscale version is
#AFAFAF. A 20% lighter version of the original color is
#FFFF70, and Hex
#A6C50A is the 20% darker color. If the color is saturated by 10%, you get
#DDFF32. If the color is desaturated by 10%, the color
#D5F148 is obtained.