Get a 60x - 200x microscope and you will know for sure. My plants look a little farther along than yours (just comparing white hairs to red hairs and size of buds) and here's what my trichomes look like at 60x
You can see that most of mine are still clear for the most part, so I think I've got 2 - 3 more weeks until peak potency.
Just get a better scope, they're fun too