The hex color #3bb88b is a light color. The web-safe version is Hex
#33CC99. A complementary color is
#C44774. The grayscale version is
#7F7F7F. A 20% lighter version of the original color is
#6EEBBE, and Hex
#088558 is the 20% darker color. If the color is saturated by 10%, you get
#34BE8C. If the color is desaturated by 10%, the color
#42B28A is obtained.