Hex #406c50 or rgb(64,108,80) in RGB space is the tint of bluish green. It has hue angle of 141.82 degrees, value = 42 and saturation = 41. #406c50 can be obtained by mixing 4 colors: 4 drops of red, 5 drops of cyan, 3 drops of green, 4 drops of black.
Nearest safe hex - #336666. Below you can see the block with #406c50 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #406c50 to the mixer and play with it.