The hex color #defea9 is a light color. The web-safe version is Hex
#CCFF99. A complementary color is
#210156. The grayscale version is
#D7D7D7. A 20% lighter version of the original color is
#FFFFDC, and Hex
#ABCB76 is the 20% darker color. If the color is saturated by 10%, you get
#DFFFA4. If the color is desaturated by 10%, the color
#DDFAAE is obtained.