Hex #99908e or rgb(153,144,142) in RGB space is the tint of orange red. It has hue angle of 10.91 degrees, value = 60 and saturation = 7. #99908e can be obtained by mixing 4 colors: 5 drops of magenta, 1 drop of cyan, 5 drops of green, 4 drops of white.
Nearest safe hex - #999999. Below you can see the block with #99908e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99908e to the mixer and play with it.