The hex color #a6fa9f is a light color. The web-safe version is Hex
#99FF99. A complementary color is
#590560. The grayscale version is
#C0C0C0. A 20% lighter version of the original color is
#D9FFD2, and Hex
#73C76C is the 20% darker color. If the color is saturated by 10%, you get
#A3FF9C. If the color is desaturated by 10%, the color
#A9F4A2 is obtained.