Hex #76645c or rgb(118,100,92) in RGB space is the tint of orange red. It has hue angle of 18.46 degrees, value = 46 and saturation = 22. #76645c can be obtained by mixing 4 colors: 4 drops of yellow, 2 drops of magenta, 5 drops of blue, 2 drops of black.
Nearest safe hex - #666666. Below you can see the block with #76645c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #76645c to the mixer and play with it.