Dior Forever Skin Perfect stick — 3N, 3.5N or 3WO for medium neutral-warm skin?

Hi everyone! I need help figuring out which Dior Forever Skin Perfect Foundation stick shade I should buy. I’m honestly confused and don’t want to end up with the wrong one.

About my skin:

• In photos, I look like a medium skin tone — not very light or very deep.

• My undertone seems neutral-warm (leans slightly warm/golden).

• I don’t look pink or cool.

• I also don’t look strongly olive/green.

• L’Oréal skin tint in shade 4–5 matches my cheeks perfectly and doesn’t turn strange (but it doesn’t last long).

I’ve been trying to map this to Dior foundation shades, but it’s confusing because I’m in between several:

Available Dior stick shades online:

• 3N Neutral

• 3.5N Neutral

• 3 Warm Olive (3WO)

• 3 warm