Hex #507660 or rgb(80,118,96) in RGB space is the tint of teal. It has hue angle of 145.26 degrees, value = 46 and saturation = 32. #507660 can be obtained by mixing 4 colors: 5 drops of red, 3 drops of blue, 4 drops of cyan, 4 drops of green.
Nearest safe hex - #666666. Below you can see the block with #507660 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #507660 to the mixer and play with it.