Hex #40be50 or rgb(64,190,80) in RGB space is the tint of bluish green. It has hue angle of 127.62 degrees, value = 75 and saturation = 66. #40be50 can be obtained by mixing 4 colors: 4 drops of yellow, 5 drops of cyan, 5 drops of green, 2 drops of black.
Nearest safe hex - #33cc66. Below you can see the block with #40be50 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40be50 to the mixer and play with it.