The hex color #6a808c is a dark color. The web-safe version is Hex
#669999. A complementary color is
#957F73. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#9DB3BF, and Hex
#374D59 is the 20% darker color. If the color is saturated by 10%, you get
#68808E. If the color is desaturated by 10%, the color
#6C808A is obtained.