The hex color #70818c is a dark color. The web-safe version is Hex
#669999. A complementary color is
#8F7E73. The grayscale version is
#7F7F7F. A 20% lighter version of the original color is
#A3B4BF, and Hex
#3D4E59 is the 20% darker color. If the color is saturated by 10%, you get
#6F818D. If the color is desaturated by 10%, the color
#72818B is obtained.