Hex #b4991e or rgb(180,153,30) in RGB space is the tint of khaki. It has hue angle of 49.20 degrees, value = 71 and saturation = 83. #b4991e can be obtained by mixing 4 colors: 5 drops of yellow, 5 drops of red, 5 drops of green, 2 drops of white.
Nearest safe hex - #cc9933. Below you can see the block with #b4991e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #b4991e to the mixer and play with it.