The hex color #4e5f57 is a dark color. The web-safe version is Hex
#666666. A complementary color is
#B1A0A8. The grayscale version is
#575757. A 20% lighter version of the original color is
#81928A, and Hex
#1B2C24 is the 20% darker color. If the color is saturated by 10%, you get
#4D6057. If the color is desaturated by 10%, the color
#4F5E57 is obtained.