Hex #1a5011 or rgb(26,80,17) in RGB space is the tint of grass green. It has hue angle of 111.43 degrees, value = 31 and saturation = 79. #1a5011 can be obtained by mixing 4 colors: 1 drop of red, 1 drop of blue, 4 drops of green, 4 drops of black.
Nearest safe hex - #336600. Below you can see the block with #1a5011 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a5011 to the mixer and play with it.