Hex #669177 or rgb(102,145,119) in RGB space is the tint of teal. It has hue angle of 143.72 degrees, value = 57 and saturation = 30. #669177 can be obtained by mixing 4 colors: 1 drop of blue, 2 drops of green, 4 drops of white, 3 drops of black.
Nearest safe hex - #669966. Below you can see the block with #669177 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #669177 to the mixer and play with it.