The hex color #7dd7fc is a light color. The web-safe version is Hex
#66CCFF. A complementary color is
#822803. The grayscale version is
#C5C5C5. A 20% lighter version of the original color is
#B0FFFF, and Hex
#4AA4C9 is the 20% darker color. If the color is saturated by 10%, you get
#76D9FF. If the color is desaturated by 10%, the color
#84D5F7 is obtained.