Hex #40b6a3 or rgb(64,182,163) in RGB space is the tint of greenish cian. It has hue angle of 170.34 degrees, value = 71 and saturation = 65. #40b6a3 can be obtained by mixing 3 colors: 3 drops of yellow, 4 drops of blue, 5 drops of cyan.
Nearest safe hex - #33cc99. Below you can see the block with #40b6a3 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40b6a3 to the mixer and play with it.