The hex color #a9f6b9 is a light color. The web-safe version is Hex
#99FFCC. A complementary color is
#560946. The grayscale version is
#C8C8C8. A 20% lighter version of the original color is
#DCFFEC, and Hex
#76C386 is the 20% darker color. If the color is saturated by 10%, you get
#A6FBB8. If the color is desaturated by 10%, the color
#ACF1BB is obtained.