The hex color #d3f29d is a light color. The web-safe version is Hex
#CCFF99. A complementary color is
#2C0D62. The grayscale version is
#CBCBCB. A 20% lighter version of the original color is
#FFFFD0, and Hex
#A0BF6A is the 20% darker color. If the color is saturated by 10%, you get
#D4F698. If the color is desaturated by 10%, the color
#D2EEA2 is obtained.