Hex #77c188 or rgb(119,193,136) in RGB space is the tint of bluish green. It has hue angle of 133.78 degrees, value = 76 and saturation = 38. #77c188 can be obtained by mixing 4 colors: 2 drops of red, 3 drops of cyan, 5 drops of green, 5 drops of white.
Nearest safe hex - #66cc99. Below you can see the block with #77c188 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #77c188 to the mixer and play with it.