The hex color #3dcb7c is a light color. The web-safe version is Hex
#33CC66. A complementary color is
#C23483. The grayscale version is
#818181. A 20% lighter version of the original color is
#70FEAF, and Hex
#0A9849 is the 20% darker color. If the color is saturated by 10%, you get
#36D27B. If the color is desaturated by 10%, the color
#44C47D is obtained.