Hex #555c22 or rgb(85,92,34) in RGB space is the tint of yellow. It has hue angle of 67.24 degrees, value = 36 and saturation = 63. #555c22 can be obtained by mixing 4 colors: 5 drops of red, 2 drops of cyan, 5 drops of green, 3 drops of black.
Nearest safe hex - #666633. Below you can see the block with #555c22 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #555c22 to the mixer and play with it.