The hex color #3ec1ac is a light color. The web-safe version is Hex
#33CC99. A complementary color is
#C13E53. The grayscale version is
#8E8E8E. A 20% lighter version of the original color is
#71F4DF, and Hex
#0B8E79 is the 20% darker color. If the color is saturated by 10%, you get
#36C6AF. If the color is desaturated by 10%, the color
#46BCA9 is obtained.