The hex color #a3e59b is a light color. The web-safe version is Hex
#99CC99. A complementary color is
#5C1A64. The grayscale version is
#B6B6B6. A 20% lighter version of the original color is
#D6FFCE, and Hex
#70B268 is the 20% darker color. If the color is saturated by 10%, you get
#A1EA98. If the color is desaturated by 10%, the color
#A5E09E is obtained.