The hex color #e3fde5 is a light color. The web-safe version is Hex
#CCFFCC. A complementary color is
#1C021A. The grayscale version is
#ECECEC. A 20% lighter version of the original color is
#FFFFFF, and Hex
#B0CAB2 is the 20% darker color. If the color is saturated by 10%, you get
#E2FFE4. If the color is desaturated by 10%, the color
#E4FBE6 is obtained.