OVULATION test. Cant tell if it's positive.

Elizabeth
I took two ovulation tests yesterday. The first was right after work at 6pm. The next was after we got back from dinner at 9:30pm. The one at 6pm was slightly lighter than this and after I had only held my bladder for an hour. This one was after a 3.5 hour hold. 
Is it positive? To me it looks like it might be slightly lighter than the second line. 
I hate OPKs lol