The hex color #6ee09e is a light color. The web-safe version is Hex
#66CC99. A complementary color is
#911F61. The grayscale version is
#A4A4A4. A 20% lighter version of the original color is
#A1FFD1, and Hex
#3BAD6B is the 20% darker color. If the color is saturated by 10%, you get
#69E69D. If the color is desaturated by 10%, the color
#73DA9F is obtained.