Hex #55a955 or rgb(85,169,85) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 66 and saturation = 50. #55a955 can be obtained by mixing 4 colors: 3 drops of yellow, 3 drops of blue, 1 drop of cyan, 2 drops of green.
Nearest safe hex - #669966. Below you can see the block with #55a955 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55a955 to the mixer and play with it.