Hex #999291 or rgb(153,146,145) in RGB space is the tint of orange red. It has hue angle of 7.50 degrees, value = 60 and saturation = 5. #999291 can be obtained by mixing 4 colors: 1 drop of magenta, 1 drop of green, 5 drops of white, 3 drops of black.
Nearest safe hex - #999999. Below you can see the block with #999291 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #999291 to the mixer and play with it.