Hex #1a5b11 or rgb(26,91,17) in RGB space is the tint of green. It has hue angle of 112.70 degrees, value = 36 and saturation = 81. #1a5b11 can be obtained by mixing 3 colors: 1 drop of magenta, 5 drops of green, 4 drops of black.
Nearest safe hex - #336600. Below you can see the block with #1a5b11 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a5b11 to the mixer and play with it.