Hex #125a49 or rgb(18,90,73) in RGB space is the tint of greenish cian. It has hue angle of 165.83 degrees, value = 35 and saturation = 80. #125a49 can be obtained by mixing 4 colors: 1 drop of magenta, 5 drops of blue, 5 drops of green, 3 drops of black.
Nearest safe hex - #006633. Below you can see the block with #125a49 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #125a49 to the mixer and play with it.