Hex #55c880 or rgb(85,200,128) in RGB space is the tint of bluish green. It has hue angle of 142.43 degrees, value = 78 and saturation = 58. #55c880 can be obtained by mixing 4 colors: 2 drops of cyan, 5 drops of green, 4 drops of white, 1 drop of black.
Nearest safe hex - #66cc99. Below you can see the block with #55c880 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55c880 to the mixer and play with it.