The hex color #D9F384 is a light color. The web-safe version is Hex
#CCFF99. A complementary color is
#260C7B. The grayscale version is
#C5C5C5. A 20% lighter version of the original color is
#FFFFB7, and Hex
#A6C051 is the 20% darker color. If the color is saturated by 10%, you get
#DBF87D. If the color is desaturated by 10%, the color
#D7EE8B is obtained.