ARA is a Saturation LUT, it turns the the footage to a vibrant colored vivid  film, getting a natural but colorful look.

Just use the lut on your footage and play around with the Lumetri cursors to get the best result.

LUTs that can be used in any editing program.  Easily apply the LUT in programs like Premiere Pro, After Effects and Davinci to speed up your color grading process.