The hex color #d1d33e is a light color. The web-safe version is Hex
#CCCC33. A complementary color is
#2E2CC1. The grayscale version is
#A1A1A1. A 20% lighter version of the original color is
#FFFF71, and Hex
#9EA00B is the 20% darker color. If the color is saturated by 10%, you get
#D6D834. If the color is desaturated by 10%, the color
#CCCE48 is obtained.