Hex #77575b or rgb(119,87,91) in RGB space is the tint of red. It has hue angle of 352.50 degrees, value = 47 and saturation = 27. #77575b can be obtained by mixing 4 colors: 4 drops of yellow, 3 drops of magenta, 5 drops of blue, 3 drops of black.
Nearest safe hex - #666666. Below you can see the block with #77575b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #77575b to the mixer and play with it.