The hex color #e7f47e is a light color. The web-safe version is Hex
#FFFF66. A complementary color is
#180B81. The grayscale version is
#C8C8C8. A 20% lighter version of the original color is
#FFFFB1, and Hex
#B4C14B is the 20% darker color. If the color is saturated by 10%, you get
#EAF877. If the color is desaturated by 10%, the color
#E4F085 is obtained.