The hex color #65767c is a dark color. The web-safe version is Hex
#666666. A complementary color is
#9A8983. The grayscale version is
#727272. A 20% lighter version of the original color is
#98A9AF, and Hex
#324349 is the 20% darker color. If the color is saturated by 10%, you get
#64767D. If the color is desaturated by 10%, the color
#66767B is obtained.