Hex #55a126 or rgb(85,161,38) in RGB space is the tint of olive. It has hue angle of 97.07 degrees, value = 63 and saturation = 76. #55a126 can be obtained by mixing 4 colors: 2 drops of yellow, 1 drop of magenta, 1 drop of blue, 5 drops of green.
Nearest safe hex - #669933. Below you can see the block with #55a126 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55a126 to the mixer and play with it.