The hex color #83decc is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#7C2133. The grayscale version is
#BABABA. A 20% lighter version of the original color is
#B6FFFF, and Hex
#50AB99 is the 20% darker color. If the color is saturated by 10%, you get
#7EE2CE. If the color is desaturated by 10%, the color
#88DACA is obtained.