Hex #005943 or rgb(0,89,67) in RGB space is the tint of greenish cian. It has hue angle of 165.17 degrees, value = 35 and saturation = 100. #005943 can be obtained by mixing 4 colors: 4 drops of blue, 1 drop of cyan, 4 drops of green, 5 drops of black.
Nearest safe hex - #006633. Below you can see the block with #005943 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #005943 to the mixer and play with it.