The hex color #DEF2B0 is a light color. The web-safe version is Hex
#CCFF99. A complementary color is
#210D4F. The grayscale version is
#D5D5D5. A 20% lighter version of the original color is
#FFFFE3, and Hex
#ABBF7D is the 20% darker color. If the color is saturated by 10%, you get
#DFF5AC. If the color is desaturated by 10%, the color
#DDEFB4 is obtained.