Hex #554011 or rgb(85,64,17) in RGB space is the tint of khaki. It has hue angle of 41.47 degrees, value = 33 and saturation = 80. #554011 can be obtained by mixing 4 colors: 5 drops of red, 1 drop of cyan, 4 drops of green, 5 drops of black.
Nearest safe hex - #663300. Below you can see the block with #554011 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #554011 to the mixer and play with it.