The hex color #a3fc7a is a light color. The web-safe version is Hex
#99FF66. A complementary color is
#5C0385. The grayscale version is
#B3B3B3. A 20% lighter version of the original color is
#D6FFAD, and Hex
#70C947 is the 20% darker color. If the color is saturated by 10%, you get
#A1FF74. If the color is desaturated by 10%, the color
#A5F580 is obtained.