Hex #809987 or rgb(128,153,135) in RGB space is the tint of bluish green. It has hue angle of 136.80 degrees, value = 60 and saturation = 16. #809987 can be obtained by mixing 4 colors: 3 drops of yellow, 5 drops of blue, 3 drops of white, 1 drop of black.
Nearest safe hex - #999999. Below you can see the block with #809987 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #809987 to the mixer and play with it.