The hex color #e3f2d6 is a light color. The web-safe version is Hex
#CCFFCC. A complementary color is
#1C0D29. The grayscale version is
#E4E4E4. A 20% lighter version of the original color is
#FFFFFF, and Hex
#B0BFA3 is the 20% darker color. If the color is saturated by 10%, you get
#E3F3D5. If the color is desaturated by 10%, the color
#E3F1D7 is obtained.