Hex #554c2e or rgb(85,76,46) in RGB space is the tint of khaki. It has hue angle of 46.15 degrees, value = 33 and saturation = 46. #554c2e can be obtained by mixing 4 colors: 1 drop of yellow, 4 drops of magenta, 5 drops of green, 5 drops of black.
Nearest safe hex - #663333. Below you can see the block with #554c2e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #554c2e to the mixer and play with it.