Hex #877b28 or rgb(135,123,40) in RGB space is the tint of khaki. It has hue angle of 52.42 degrees, value = 53 and saturation = 70. #877b28 can be obtained by mixing 4 colors: 5 drops of yellow, 4 drops of magenta, 5 drops of green, 3 drops of black.
Nearest safe hex - #996633. Below you can see the block with #877b28 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #877b28 to the mixer and play with it.