Do progressively darker OPKs mean ovulation is close?

Haley • 26, wifey, dog mama, RN, FTM with baby #1 🤰🏼💕

On month 2 of OPKs and haven't had a positive yet on CD 17. Today I had one that was definitely darker than previous tests, so wondering if they should be getting darker from here or if that doesn't necessarily mean anything??