Hex #554913 or rgb(85,73,19) in RGB space is the tint of khaki. It has hue angle of 49.09 degrees, value = 33 and saturation = 78. #554913 can be obtained by mixing 4 colors: 2 drops of yellow, 1 drop of magenta, 1 drop of green, 5 drops of black.
Nearest safe hex - #663300. Below you can see the block with #554913 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #554913 to the mixer and play with it.