The hex color #78949c is a light color. The web-safe version is Hex
#669999. A complementary color is
#876B63. The grayscale version is
#8D8D8D. A 20% lighter version of the original color is
#ABC7CF, and Hex
#456169 is the 20% darker color. If the color is saturated by 10%, you get
#76959D. If the color is desaturated by 10%, the color
#7A939B is obtained.