The hex color #a7f7e4 is a light color. The web-safe version is Hex
#99FFCC. A complementary color is
#58081B. The grayscale version is
#D6D6D6. A 20% lighter version of the original color is
#DAFFFF, and Hex
#74C4B1 is the 20% darker color. If the color is saturated by 10%, you get
#A2FAE5. If the color is desaturated by 10%, the color
#ACF4E3 is obtained.