The hex color #6ec6d0 is a light color. The web-safe version is Hex
#66CCCC. A complementary color is
#91392F. The grayscale version is
#ACACAC. A 20% lighter version of the original color is
#A1F9FF, and Hex
#3B939D is the 20% darker color. If the color is saturated by 10%, you get
#68C9D4. If the color is desaturated by 10%, the color
#74C3CC is obtained.