The hex color #a1e577 is a light color. The web-safe version is Hex
#99CC66. A complementary color is
#5E1A88. The grayscale version is
#AAAAAA. A 20% lighter version of the original color is
#D4FFAA, and Hex
#6EB244 is the 20% darker color. If the color is saturated by 10%, you get
#A0EB72. If the color is desaturated by 10%, the color
#A2DF7C is obtained.