Hex #55a655 or rgb(85,166,85) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 65 and saturation = 49. #55a655 can be obtained by mixing 4 colors: 1 drop of yellow, 2 drops of red, 3 drops of cyan, 3 drops of green.
Nearest safe hex - #669966. Below you can see the block with #55a655 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55a655 to the mixer and play with it.