Hex #77b388 or rgb(119,179,136) in RGB space is the tint of bluish green. It has hue angle of 137.00 degrees, value = 70 and saturation = 34. #77b388 can be obtained by mixing 4 colors: 3 drops of red, 4 drops of cyan, 4 drops of green, 4 drops of white.
Nearest safe hex - #66cc99. Below you can see the block with #77b388 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #77b388 to the mixer and play with it.