The hex color #a3e975 is a light color. The web-safe version is Hex
#99FF66. A complementary color is
#5C168A. The grayscale version is
#ABABAB. A 20% lighter version of the original color is
#D6FFA8, and Hex
#70B642 is the 20% darker color. If the color is saturated by 10%, you get
#A2EF70. If the color is desaturated by 10%, the color
#A4E37A is obtained.