Hex #37663d or rgb(55,102,61) in RGB space is the tint of bluish green. It has hue angle of 127.66 degrees, value = 40 and saturation = 46. #37663d can be obtained by mixing 4 colors: 3 drops of yellow, 5 drops of blue, 2 drops of green, 4 drops of black.
Nearest safe hex - #336633. Below you can see the block with #37663d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #37663d to the mixer and play with it.