One of my eyes sees (very) slightly greener than the other one.

But with both eyes I got

> Your boundary is at hue 174, just like the population median. You're a true neutral.

I should test with one eye.

Same here. 'My blue is not my blue', or yellow in my case. I realized this looking at the yellow doublet lines from Sodium vapor lamps: one of my eyes sees it greener than the other.