The hex color #3dbdbd is a light color. The web-safe version is Hex
#33CCCC. A complementary color is
#C24242. The grayscale version is
#929292. A 20% lighter version of the original color is
#70F0F0, and Hex
#0A8A8A is the 20% darker color. If the color is saturated by 10%, you get
#34C1C1. If the color is desaturated by 10%, the color
#46B9B9 is obtained.