Hex #278562 or rgb(39,133,98) in RGB space is the tint of greenish cian. It has hue angle of 157.66 degrees, value = 52 and saturation = 71. #278562 can be obtained by mixing 4 colors: 2 drops of red, 5 drops of cyan, 3 drops of green, 3 drops of black.
Nearest safe hex - #339966. Below you can see the block with #278562 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #278562 to the mixer and play with it.