The hex color #a8e3d9 is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#571C26. The grayscale version is
#CCCCCC. A 20% lighter version of the original color is
#DBFFFF, and Hex
#75B0A6 is the 20% darker color. If the color is saturated by 10%, you get
#A4E5DA. If the color is desaturated by 10%, the color
#ACE1D8 is obtained.