The hex color #3eec9c is a light color. The web-safe version is Hex
#33FF99. A complementary color is
#C11363. The grayscale version is
#979797. A 20% lighter version of the original color is
#71FFCF, and Hex
#0BB969 is the 20% darker color. If the color is saturated by 10%, you get
#35F49C. If the color is desaturated by 10%, the color
#47E49C is obtained.