The hex color #a8e6e4 is a light color. The web-safe version is Hex
#99FFCC. A complementary color is
#57191B. The grayscale version is
#D1D1D1. A 20% lighter version of the original color is
#DBFFFF, and Hex
#75B3B1 is the 20% darker color. If the color is saturated by 10%, you get
#A4E8E6. If the color is desaturated by 10%, the color
#ACE4E2 is obtained.