Hex #b15f3b or rgb(177,95,59) in RGB space is the tint of orange red. It has hue angle of 18.31 degrees, value = 69 and saturation = 67. #b15f3b can be obtained by mixing 4 colors: 2 drops of yellow, 4 drops of red, 3 drops of white, 4 drops of black.
Nearest safe hex - #996633. Below you can see the block with #b15f3b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #b15f3b to the mixer and play with it.