The hex color #a7fcc3 is a light color. The web-safe version is Hex
#99FFCC. A complementary color is
#58033C. The grayscale version is
#CDCDCD. A 20% lighter version of the original color is
#DAFFF6, and Hex
#74C990 is the 20% darker color. If the color is saturated by 10%, you get
#A3FFC2. If the color is desaturated by 10%, the color
#ABF7C4 is obtained.