Hex #5b5a37 or rgb(91,90,55) in RGB space is the tint of yellow. It has hue angle of 58.33 degrees, value = 36 and saturation = 40. #5b5a37 can be obtained by mixing 4 colors: 5 drops of red, 3 drops of cyan, 3 drops of green, 3 drops of black.
Nearest safe hex - #666633. Below you can see the block with #5b5a37 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b5a37 to the mixer and play with it.