The hex color #39c0dd is a light color. The web-safe version is Hex
#33CCCC. A complementary color is
#C63F22. The grayscale version is
#9D9D9D. A 20% lighter version of the original color is
#6CF3FF, and Hex
#068DAA is the 20% darker color. If the color is saturated by 10%, you get
#2FC4E3. If the color is desaturated by 10%, the color
#43BCD7 is obtained.