Hex #155047 or rgb(21,80,71) in RGB space is the tint of greenish cian. It has hue angle of 170.85 degrees, value = 31 and saturation = 74. #155047 can be obtained by mixing 4 colors: 1 drop of yellow, 5 drops of blue, 2 drops of green, 4 drops of black.
Nearest safe hex - #006633. Below you can see the block with #155047 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #155047 to the mixer and play with it.