Hex #55b16b or rgb(85,177,107) in RGB space is the tint of bluish green. It has hue angle of 134.35 degrees, value = 69 and saturation = 52. #55b16b can be obtained by mixing 4 colors: 1 drop of yellow, 3 drops of blue, 5 drops of green, 3 drops of white.
Nearest safe hex - #669966. Below you can see the block with #55b16b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55b16b to the mixer and play with it.