Hex #40b79a or rgb(64,183,154) in RGB space is the tint of greenish cian. It has hue angle of 165.38 degrees, value = 72 and saturation = 65. #40b79a can be obtained by mixing 4 colors: 4 drops of blue, 3 drops of cyan, 5 drops of green, 4 drops of white.
Nearest safe hex - #33cc99. Below you can see the block with #40b79a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40b79a to the mixer and play with it.