The hex color #dde16a is a light color. The web-safe version is Hex
#CCCC66. A complementary color is
#221E95. The grayscale version is
#B8B8B8. A 20% lighter version of the original color is
#FFFF9D, and Hex
#AAAE37 is the 20% darker color. If the color is saturated by 10%, you get
#E1E562. If the color is desaturated by 10%, the color
#D9DD72 is obtained.