Hex #557264 or rgb(85,114,100) in RGB space is the tint of teal. It has hue angle of 151.03 degrees, value = 45 and saturation = 25. #557264 can be obtained by mixing 4 colors: 2 drops of yellow, 2 drops of magenta, 5 drops of blue, 3 drops of green.
Nearest safe hex - #666666. Below you can see the block with #557264 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #557264 to the mixer and play with it.