The hex color #63d3d3 is a light color. The web-safe version is Hex
#66CCCC. A complementary color is
#9C2C2C. The grayscale version is
#AEAEAE. A 20% lighter version of the original color is
#96FFFF, and Hex
#30A0A0 is the 20% darker color. If the color is saturated by 10%, you get
#5CD7D7. If the color is desaturated by 10%, the color
#6ACFCF is obtained.