Hex #b6685b or rgb(182,104,91) in RGB space is the tint of orange red. It has hue angle of 8.57 degrees, value = 71 and saturation = 50. #b6685b can be obtained by mixing 4 colors: 5 drops of red, 1 drop of green, 5 drops of white, 3 drops of black.
Nearest safe hex - #cc6666. Below you can see the block with #b6685b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #b6685b to the mixer and play with it.