Hex #377f74 or rgb(55,127,116) in RGB space is the tint of greenish cian. It has hue angle of 170.83 degrees, value = 50 and saturation = 57. #377f74 can be obtained by mixing 4 colors: 3 drops of yellow, 5 drops of blue, 3 drops of cyan, 3 drops of black.
Nearest safe hex - #336666. Below you can see the block with #377f74 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #377f74 to the mixer and play with it.