The hex color #dce11a is a light color. The web-safe version is Hex
#CCCC33. A complementary color is
#231EE5. The grayscale version is
#9D9D9D. A 20% lighter version of the original color is
#FFFF4D, and Hex
#A9AE00 is the 20% darker color. If the color is saturated by 10%, you get
#E2E80D. If the color is desaturated by 10%, the color
#D6DA27 is obtained.