The hex color #a7e3d6 is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#581C29. The grayscale version is
#CBCBCB. A 20% lighter version of the original color is
#DAFFFF, and Hex
#74B0A3 is the 20% darker color. If the color is saturated by 10%, you get
#A3E5D7. If the color is desaturated by 10%, the color
#ABE1D5 is obtained.