The hex color #e5f6e3 is a light color. The web-safe version is Hex
#CCFFCC. A complementary color is
#1A091C. The grayscale version is
#EAEAEA. A 20% lighter version of the original color is
#FFFFFF, and Hex
#B2C3B0 is the 20% darker color. If the color is saturated by 10%, you get
#E5F7E2. If the color is desaturated by 10%, the color
#E6F5E4 is obtained.