Hex #77a444 or rgb(119,164,68) in RGB space is the tint of olive. It has hue angle of 88.13 degrees, value = 64 and saturation = 59. #77a444 can be obtained by mixing 4 colors: 3 drops of yellow, 4 drops of green, 4 drops of white, 4 drops of black.
Nearest safe hex - #669933. Below you can see the block with #77a444 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #77a444 to the mixer and play with it.