The hex color #a3dea9 is a light color. The web-safe version is Hex
#99CC99. A complementary color is
#5C2156. The grayscale version is
#B9B9B9. A 20% lighter version of the original color is
#D6FFDC, and Hex
#70AB76 is the 20% darker color. If the color is saturated by 10%, you get
#A1E2A7. If the color is desaturated by 10%, the color
#A5DAAB is obtained.