Hex #899797 or rgb(137,151,151) in RGB space is the tint of cyan. It has hue angle of 180.00 degrees, value = 59 and saturation = 9. #899797 can be obtained by mixing 4 colors: 4 drops of magenta, 2 drops of cyan, 4 drops of green, 3 drops of white.
Nearest safe hex - #999999. Below you can see the block with #899797 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #899797 to the mixer and play with it.