Hex #55765b or rgb(85,118,91) in RGB space is the tint of bluish green. It has hue angle of 130.91 degrees, value = 46 and saturation = 28. #55765b can be obtained by mixing 4 colors: 3 drops of red, 5 drops of blue, 5 drops of green, 2 drops of white.
Nearest safe hex - #666666. Below you can see the block with #55765b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55765b to the mixer and play with it.