Ovulation test

aubs • 🎀👧🏽9/2/13- 🎀👧🏽12/16/15- 👶🏾🏀04/18/19-🤰🏽

So isn’t the test supposed to get darker? I’ve never used this Walmart brand ovulation test. But the dark one was taken 8pm last night and the ligher one just about 25 mins ago. What do you guys think? And do you think I should still start bd? Or wait? We bd two days ago.