The hex color #a8f8b9 is a light color. The web-safe version is Hex
#99FFCC. A complementary color is
#570746. The grayscale version is
#C8C8C8. A 20% lighter version of the original color is
#DBFFEC, and Hex
#75C586 is the 20% darker color. If the color is saturated by 10%, you get
#A5FDB7. If the color is desaturated by 10%, the color
#ABF3BB is obtained.