None of them. The 50:50 is the least worst choice; the two on the right look horrible -- light pink and just horrible.

What color is the island and cabinets going to be? Let the color of those guide your choice. If going to be light, then you need some contrast with the floors -- otherwise it will be a sea of sameness.

On my monitor, of your 3 choices, the two on the right look more pink and the one by the can less pink than those. The one to the far left (left of the island and not one of your 3 choices) looks less pink than all 3 of those. But so much will depend on your lighting in your individual space. The 50/50 looks like it will blend in with the island and wall colors. To mxk3's point, IMO it would be nice to have more contrast in the form of a darker finish than the 3 you have asked about.

None of those. They are all varying shades of pink. Just a plain water based clear coat and be done. Red oak will never look like white oak without extraordinary efforts to bleach it. You might as well replace it as go through all of that.

I have red oak stained Provincial. Which doesn't end up as dark as you might think. Provincial is green based, so it neutralized the red. Even so, in some lights you can still see hints of a reddish tone. But overall a nice neutral mid-brown.

One of the pros on the flooring board once gave the advice to avoid any stains with white or grey on red oak. White + red = pink. Grey = white + black = pink.

It's not just that the color is different with Red Oak, but the grain is busier too. With such a narrow plank, the effect with a very light Red Oak floor might appear choppy. I think the sample to the left of the island column is very even and complements the island finish well. Don't get hung up on trying to create a White Oak look from Red Oak. Look at what works best with the rest of your finishes, even if it is not what you had envisioned from the start.

The two samples on the right look very pink and lavender to me. The one on the left looks busy.