Hex #398671 or rgb(57,134,113) in RGB space is the tint of greenish cian. It has hue angle of 163.64 degrees, value = 53 and saturation = 57. #398671 can be obtained by mixing 4 colors: 1 drop of yellow, 3 drops of cyan, 1 drop of white, 4 drops of black.
Nearest safe hex - #339966. Below you can see the block with #398671 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #398671 to the mixer and play with it.