The hex color #7dcddc is a light color. The web-safe version is Hex
#66CCCC. A complementary color is
#823223. The grayscale version is
#B7B7B7. A 20% lighter version of the original color is
#B0FFFF, and Hex
#4A9AA9 is the 20% darker color. If the color is saturated by 10%, you get
#77CFE0. If the color is desaturated by 10%, the color
#83CBD8 is obtained.