Hex #55504e or rgb(85,80,78) in RGB space is the tint of orange red. It has hue angle of 17.14 degrees, value = 33 and saturation = 8. #55504e can be obtained by mixing 4 colors: 4 drops of magenta, 1 drop of cyan, 4 drops of green, 3 drops of black.
Nearest safe hex - #666666. Below you can see the block with #55504e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55504e to the mixer and play with it.