Hex #55ae15 or rgb(85,174,21) in RGB space is the tint of olive. It has hue angle of 94.90 degrees, value = 68 and saturation = 88. #55ae15 can be obtained by mixing 4 colors: 4 drops of yellow, 1 drop of cyan, 5 drops of green, 2 drops of black.
Nearest safe hex - #669900. Below you can see the block with #55ae15 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55ae15 to the mixer and play with it.