That ^ is very close in pattern to the one above it.
Patches should only be applied if required.
I recently had some put on an old Pendleton shirt whose elbows had worn out - good for another 100,000 miles.
Here's a close up of the jacket that I am wearing in my picture with the witch. It has some blue in it, like your jacket. If you are planning to wear your jacket with blue jeans, dark blue elbow patches might look interesting.
Thanks. I wasn't sure if a dark brown would contrast too much, but perhaps that's the most conservative bet. I have a grey herringbone with charcoal elbow patches, and a brown/dark green-ish jacket with medium brown elbow patches, they both contrast but don't draw too much attention. Meaning they "fit" the jacket well. I see others where the elbow patches just contrast too much, or are some odd colour, and just draw too much attention for my liking.
I personally just like the look of elbow patches! Also extends dry-cleaning a little with a lighter coloured jacket, as the elbows usually get a little grubby with me.