Hex #40784e or rgb(64,120,78) in RGB space is the tint of bluish green. It has hue angle of 135.00 degrees, value = 47 and saturation = 47. #40784e can be obtained by mixing 4 colors: 2 drops of red, 4 drops of blue, 5 drops of green, 1 drop of white.
Nearest safe hex - #336666. Below you can see the block with #40784e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40784e to the mixer and play with it.