The hex color #e7f3f0 is a light color. The web-safe version is Hex
#FFFFFF. A complementary color is
#180C0F. The grayscale version is
#EEEEEE. A 20% lighter version of the original color is
#FFFFFF, and Hex
#B4C0BD is the 20% darker color. If the color is saturated by 10%, you get
#E6F4F0. If the color is desaturated by 10%, the color
#E8F3F0 is obtained.