Hex #40cba5 or rgb(64,203,165) in RGB space is the tint of greenish cian. It has hue angle of 163.60 degrees, value = 80 and saturation = 68. #40cba5 can be obtained by mixing 4 colors: 2 drops of blue, 5 drops of cyan, 5 drops of green, 4 drops of white.
Nearest safe hex - #33cc99. Below you can see the block with #40cba5 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40cba5 to the mixer and play with it.