The hex color #3ADDA3 is a light color. The web-safe version is Hex
#33CC99. A complementary color is
#C5225C. The grayscale version is
#939393. A 20% lighter version of the original color is
#6DFFD6, and Hex
#07AA70 is the 20% darker color. If the color is saturated by 10%, you get
#31E4A5. If the color is desaturated by 10%, the color
#43D6A1 is obtained.