The hex color #78fccc is a light color. The web-safe version is Hex
#66FFCC. A complementary color is
#870333. The grayscale version is
#C0C0C0. A 20% lighter version of the original color is
#ABFFFF, and Hex
#45C999 is the 20% darker color. If the color is saturated by 10%, you get
#71FFCD. If the color is desaturated by 10%, the color
#7FF6CB is obtained.