Hex #6aa780 or rgb(106,167,128) in RGB space is the tint of bluish green. It has hue angle of 141.64 degrees, value = 65 and saturation = 37. #6aa780 can be obtained by mixing 4 colors: 3 drops of red, 4 drops of cyan, 3 drops of green, 2 drops of white.
Nearest safe hex - #669999. Below you can see the block with #6aa780 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6aa780 to the mixer and play with it.