The hex color #e3f5d0 is a light color. The web-safe version is Hex
#CCFFCC. A complementary color is
#1C0A2F. The grayscale version is
#E3E3E3. A 20% lighter version of the original color is
#FFFFFF, and Hex
#B0C29D is the 20% darker color. If the color is saturated by 10%, you get
#E3F7CE. If the color is desaturated by 10%, the color
#E3F3D2 is obtained.