Hex #55b095 or rgb(85,176,149) in RGB space is the tint of greenish cian. It has hue angle of 162.20 degrees, value = 69 and saturation = 52. #55b095 can be obtained by mixing 4 colors: 3 drops of yellow, 1 drop of red, 3 drops of blue, 5 drops of cyan.
Nearest safe hex - #669999. Below you can see the block with #55b095 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55b095 to the mixer and play with it.