The hex color #3dd367 is a light color. The web-safe version is Hex
#33CC66. A complementary color is
#C22C98. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#70FF9A, and Hex
#0AA034 is the 20% darker color. If the color is saturated by 10%, you get
#37DC65. If the color is desaturated by 10%, the color
#43CA69 is obtained.