The hex color #6f9a9c is a light color. The web-safe version is Hex
#669999. A complementary color is
#906563. The grayscale version is
#8C8C8C. A 20% lighter version of the original color is
#A2CDCF, and Hex
#3C6769 is the 20% darker color. If the color is saturated by 10%, you get
#6C9B9E. If the color is desaturated by 10%, the color
#72999A is obtained.