Is this OPK positive?

Lauren • Married August 2014, boy mom, first 💙 born July, 2016, #2 💙 born December, 2018.
This is from today. It still looks dark to me, but I'm not sure. 
And this one was yesterday. Clearly darker.   
Today is CD25. A little late for ovulation, no? Anyone have luck conceiving so late? Thanks for your comments!

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