Hex #667c72 or rgb(102,124,114) in RGB space is the tint of teal. It has hue angle of 152.73 degrees, value = 49 and saturation = 18. #667c72 can be obtained by mixing 4 colors: 2 drops of red, 4 drops of magenta, 4 drops of cyan, 5 drops of green.
Nearest safe hex - #666666. Below you can see the block with #667c72 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #667c72 to the mixer and play with it.