Hex #89979d or rgb(137,151,157) in RGB space is the tint of bluish cian. It has hue angle of 198.00 degrees, value = 62 and saturation = 13. #89979d can be obtained by mixing 4 colors: 3 drops of red, 4 drops of cyan, 4 drops of white, 2 drops of black.
Nearest safe hex - #999999. Below you can see the block with #89979d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #89979d to the mixer and play with it.