The hex color #3bcdb2 is a light color. The web-safe version is Hex
#33CC99. A complementary color is
#C4324D. The grayscale version is
#939393. A 20% lighter version of the original color is
#6EFFE5, and Hex
#089A7F is the 20% darker color. If the color is saturated by 10%, you get
#32D3B5. If the color is desaturated by 10%, the color
#44C7AF is obtained.