Hex #127755 or rgb(18,119,85) in RGB space is the tint of greenish cian. It has hue angle of 159.80 degrees, value = 47 and saturation = 85. #127755 can be obtained by mixing 4 colors: 1 drop of magenta, 4 drops of cyan, 4 drops of green, 5 drops of black.
Nearest safe hex - #006666. Below you can see the block with #127755 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #127755 to the mixer and play with it.