The hex color #d4e77d is a light color. The web-safe version is Hex
#CCFF66. A complementary color is
#2B1882. The grayscale version is
#BDBDBD. A 20% lighter version of the original color is
#FFFFB0, and Hex
#A1B44A is the 20% darker color. If the color is saturated by 10%, you get
#D6EB77. If the color is desaturated by 10%, the color
#D2E383 is obtained.