Hex #8b888b or rgb(139,136,139) in RGB space is the tint of magenta. It has hue angle of 300.00 degrees, value = 55 and saturation = 2. #8b888b can be obtained by mixing 4 colors: 2 drops of red, 2 drops of cyan, 4 drops of white, 3 drops of black.
Nearest safe hex - #999999. Below you can see the block with #8b888b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8b888b to the mixer and play with it.