The hex color #e4fea4 is a light color. The web-safe version is Hex
#CCFF99. A complementary color is
#1B015B. The grayscale version is
#D7D7D7. A 20% lighter version of the original color is
#FFFFD7, and Hex
#B1CB71 is the 20% darker color. If the color is saturated by 10%, you get
#E5FF9F. If the color is desaturated by 10%, the color
#E3FAA9 is obtained.