The hex color #e3efe2 is a light color. The web-safe version is Hex
#CCFFCC. A complementary color is
#1C101D. The grayscale version is
#E7E7E7. A 20% lighter version of the original color is
#FFFFFF, and Hex
#B0BCAF is the 20% darker color. If the color is saturated by 10%, you get
#E3F0E2. If the color is desaturated by 10%, the color
#E3EEE2 is obtained.