The hex color #3ee49f is a light color. The web-safe version is Hex
#33CC99. A complementary color is
#C11B60. The grayscale version is
#969696. A 20% lighter version of the original color is
#71FFD2, and Hex
#0BB16C is the 20% darker color. If the color is saturated by 10%, you get
#35ECA0. If the color is desaturated by 10%, the color
#47DC9E is obtained.