The hex color #23c9fb is a light color. The web-safe version is Hex
#33CCFF. A complementary color is
#DC3604. The grayscale version is
#A2A2A2. A 20% lighter version of the original color is
#56FCFF, and Hex
#0096C8 is the 20% darker color. If the color is saturated by 10%, you get
#16CDFF. If the color is desaturated by 10%, the color
#30C5F2 is obtained.