Hex #809f8a or rgb(128,159,138) in RGB space is the tint of bluish green. It has hue angle of 139.35 degrees, value = 62 and saturation = 19. #809f8a can be obtained by mixing 4 colors: 1 drop of red, 2 drops of blue, 2 drops of green, 3 drops of white.
Nearest safe hex - #999999. Below you can see the block with #809f8a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #809f8a to the mixer and play with it.