The hex color #6bf37c is a light color. The web-safe version is Hex
#66FF66. A complementary color is
#940C83. The grayscale version is
#9E9E9E. A 20% lighter version of the original color is
#9EFFAF, and Hex
#38C049 is the 20% darker color. If the color is saturated by 10%, you get
#66FC79. If the color is desaturated by 10%, the color
#70EB7F is obtained.