The hex color #6bccd8 is a light color. The web-safe version is Hex
#66CCCC. A complementary color is
#943327. The grayscale version is
#B0B0B0. A 20% lighter version of the original color is
#9EFFFF, and Hex
#3899A5 is the 20% darker color. If the color is saturated by 10%, you get
#64CFDC. If the color is desaturated by 10%, the color
#72C9D4 is obtained.