Hex #55a463 or rgb(85,164,99) in RGB space is the tint of bluish green. It has hue angle of 130.63 degrees, value = 64 and saturation = 48. #55a463 can be obtained by mixing 4 colors: 4 drops of yellow, 1 drop of blue, 4 drops of cyan, 3 drops of black.
Nearest safe hex - #669966. Below you can see the block with #55a463 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55a463 to the mixer and play with it.