The hex color #a4fc9b is a light color. The web-safe version is Hex
#99FF99. A complementary color is
#5B0364. The grayscale version is
#BEBEBE. A 20% lighter version of the original color is
#D7FFCE, and Hex
#71C968 is the 20% darker color. If the color is saturated by 10%, you get
#A1FF97. If the color is desaturated by 10%, the color
#A7F69F is obtained.