The hex color #3adfbe is a light color. The web-safe version is Hex
#33CCCC. A complementary color is
#C52041. The grayscale version is
#9D9D9D. A 20% lighter version of the original color is
#6DFFF1, and Hex
#07AC8B is the 20% darker color. If the color is saturated by 10%, you get
#30E6C1. If the color is desaturated by 10%, the color
#44D8BB is obtained.