Hex #155f24 or rgb(21,95,36) in RGB space is the tint of bluish green. It has hue angle of 132.16 degrees, value = 37 and saturation = 78. #155f24 can be obtained by mixing 4 colors: 1 drop of magenta, 1 drop of cyan, 5 drops of green, 5 drops of black.
Nearest safe hex - #006633. Below you can see the block with #155f24 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #155f24 to the mixer and play with it.