Hex #8f818b or rgb(143,129,139) in RGB space is the tint of crimson. It has hue angle of 317.14 degrees, value = 56 and saturation = 10. #8f818b can be obtained by mixing 4 colors: 5 drops of magenta, 2 drops of blue, 5 drops of green, 4 drops of white.
Nearest safe hex - #999999. Below you can see the block with #8f818b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8f818b to the mixer and play with it.