Hex #55ae95 or rgb(85,174,149) in RGB space is the tint of greenish cian. It has hue angle of 163.15 degrees, value = 68 and saturation = 51. #55ae95 can be obtained by mixing 4 colors: 3 drops of cyan, 2 drops of green, 4 drops of white, 3 drops of black.
Nearest safe hex - #669999. Below you can see the block with #55ae95 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55ae95 to the mixer and play with it.