Per the beta feedback, it seems that my current color selections for Peru & Chile are still too difficult to distinguish, particularly when zoomed out on small screens.
This is not an official vote, but I would appreciate some feedback on the possible color options listed below.
Version 0: Currently in Beta
This is the status quo. It's probably not sticking around.
Version 1: Hot Pink Peru
Here, I shift Peru to a hot pink color which I hope would still be distinguishable from the Spaniards' pink.
Version 2: Slight Tweak Peru
This version is a much less drastic change; it incorporates a slight shift in hue for Peru to pull it further away from Chile's color.
Version 3: Blue-grey Chile
This version leaves Peru as-is and changes Chile instead. Chile, instead of red, would take on a darker grey color with a hint of blue. This is intended to resemble the modern uniforms of the Chilean army.
Version 4: Rusty Chile
UPDATED: Per other comments downthread, I've added this as a fourth potential option.