The hex color #a9f3a5 is a light color. The web-safe version is Hex
#99FF99. A complementary color is
#560C5A. The grayscale version is
#C0C0C0. A 20% lighter version of the original color is
#DCFFD8, and Hex
#76C072 is the 20% darker color. If the color is saturated by 10%, you get
#A7F8A2. If the color is desaturated by 10%, the color
#ABEEA8 is obtained.