The hex color #6bbae9 is a light color. The web-safe version is Hex
#66CCFF. A complementary color is
#944516. The grayscale version is
#AFAFAF. A 20% lighter version of the original color is
#9EEDFF, and Hex
#3887B6 is the 20% darker color. If the color is saturated by 10%, you get
#64BBEF. If the color is desaturated by 10%, the color
#72B9E3 is obtained.