Hex #2b510e or rgb(43,81,14) in RGB space is the tint of olive. It has hue angle of 94.03 degrees, value = 32 and saturation = 83. #2b510e can be obtained by mixing 4 colors: 2 drops of red, 1 drop of blue, 5 drops of green, 4 drops of black.
Nearest safe hex - #336600. Below you can see the block with #2b510e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b510e to the mixer and play with it.