Hex #125a3d or rgb(18,90,61) in RGB space is the tint of teal. It has hue angle of 155.83 degrees, value = 35 and saturation = 80. #125a3d can be obtained by mixing 4 colors: 1 drop of red, 5 drops of blue, 5 drops of green, 3 drops of black.
Nearest safe hex - #006633. Below you can see the block with #125a3d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #125a3d to the mixer and play with it.