Hex #55594e or rgb(85,89,78) in RGB space is the tint of lime. It has hue angle of 81.82 degrees, value = 35 and saturation = 12. #55594e can be obtained by mixing 4 colors: 4 drops of red, 4 drops of blue, 1 drop of cyan, 3 drops of green.
Nearest safe hex - #666666. Below you can see the block with #55594e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55594e to the mixer and play with it.