The hex color #a3e7c7 is a light color. The web-safe version is Hex
#99FFCC. A complementary color is
#5C1838. The grayscale version is
#C6C6C6. A 20% lighter version of the original color is
#D6FFFA, and Hex
#70B494 is the 20% darker color. If the color is saturated by 10%, you get
#A0EAC7. If the color is desaturated by 10%, the color
#A6E4C7 is obtained.