Hex #809a9f or rgb(128,154,159) in RGB space is the tint of bluish cian. It has hue angle of 189.68 degrees, value = 62 and saturation = 19. #809a9f can be obtained by mixing 4 colors: 3 drops of red, 5 drops of cyan, 5 drops of white, 3 drops of black.
Nearest safe hex - #999999. Below you can see the block with #809a9f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #809a9f to the mixer and play with it.