The hex color #3ECE70 is a light color. The web-safe version is Hex
#33CC66. A complementary color is
#C1318F. The grayscale version is
#7F7F7F. A 20% lighter version of the original color is
#71FFA3, and Hex
#0B9B3D is the 20% darker color. If the color is saturated by 10%, you get
#38D66F. If the color is desaturated by 10%, the color
#44C671 is obtained.