Hex #2b896b or rgb(43,137,107) in RGB space is the tint of greenish cian. It has hue angle of 160.85 degrees, value = 54 and saturation = 69. #2b896b can be obtained by mixing 4 colors: 2 drops of red, 3 drops of blue, 3 drops of cyan, 4 drops of green.
Nearest safe hex - #339966. Below you can see the block with #2b896b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b896b to the mixer and play with it.