Hex #55745c or rgb(85,116,92) in RGB space is the tint of bluish green. It has hue angle of 133.55 degrees, value = 45 and saturation = 27. #55745c can be obtained by mixing 4 colors: 4 drops of red, 2 drops of blue, 3 drops of cyan, 3 drops of green.
Nearest safe hex - #666666. Below you can see the block with #55745c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55745c to the mixer and play with it.