The hex color #d3e43b is a light color. The web-safe version is Hex
#CCCC33. A complementary color is
#2C1BC4. The grayscale version is
#A6A6A6. A 20% lighter version of the original color is
#FFFF6E, and Hex
#A0B108 is the 20% darker color. If the color is saturated by 10%, you get
#D8EA30. If the color is desaturated by 10%, the color
#CFDE46 is obtained.