The hex color #e3fcc1 is a light color. The web-safe version is Hex
#CCFFCC. A complementary color is
#1C033E. The grayscale version is
#E0E0E0. A 20% lighter version of the original color is
#FFFFF4, and Hex
#B0C98E is the 20% darker color. If the color is saturated by 10%, you get
#E3FFBE. If the color is desaturated by 10%, the color
#E3F9C4 is obtained.