Hex #309070 or rgb(48,144,112) in RGB space is the tint of greenish cian. It has hue angle of 160.00 degrees, value = 56 and saturation = 67. #309070 can be obtained by mixing 4 colors: 3 drops of red, 3 drops of blue, 5 drops of cyan, 5 drops of green.
Nearest safe hex - #339966. Below you can see the block with #309070 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #309070 to the mixer and play with it.