Hex #15510e or rgb(21,81,14) in RGB space is the tint of green. It has hue angle of 113.73 degrees, value = 32 and saturation = 83. #15510e can be obtained by mixing 4 colors: 1 drop of red, 1 drop of blue, 5 drops of green, 5 drops of black.
Nearest safe hex - #006600. Below you can see the block with #15510e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #15510e to the mixer and play with it.