Hex #55985b or rgb(85,152,91) in RGB space is the tint of green. It has hue angle of 125.37 degrees, value = 60 and saturation = 44. #55985b can be obtained by mixing 4 colors: 5 drops of yellow, 2 drops of blue, 4 drops of cyan, 4 drops of black.
Nearest safe hex - #669966. Below you can see the block with #55985b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55985b to the mixer and play with it.