The hex color #68c9cd is a light color. The web-safe version is Hex
#66CCCC. A complementary color is
#973632. The grayscale version is
#AAAAAA. A 20% lighter version of the original color is
#9BFCFF, and Hex
#35969A is the 20% darker color. If the color is saturated by 10%, you get
#61CCD1. If the color is desaturated by 10%, the color
#6FC6CA is obtained.