The hex color #a3da80 is a light color. The web-safe version is Hex
#99CC99. A complementary color is
#5C257F. The grayscale version is
#AAAAAA. A 20% lighter version of the original color is
#D6FFB3, and Hex
#70A74D is the 20% darker color. If the color is saturated by 10%, you get
#A2DF7C. If the color is desaturated by 10%, the color
#A4D584 is obtained.