Hex #55d360 or rgb(85,211,96) in RGB space is the tint of green. It has hue angle of 125.24 degrees, value = 83 and saturation = 60. #55d360 can be obtained by mixing 4 colors: 5 drops of yellow, 1 drop of blue, 5 drops of cyan, 4 drops of green.
Nearest safe hex - #66cc66. Below you can see the block with #55d360 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55d360 to the mixer and play with it.