Hex #55b280 or rgb(85,178,128) in RGB space is the tint of teal. It has hue angle of 147.74 degrees, value = 70 and saturation = 52. #55b280 can be obtained by mixing 3 colors: 3 drops of blue, 5 drops of green, 4 drops of white.
Nearest safe hex - #669999. Below you can see the block with #55b280 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55b280 to the mixer and play with it.