On: The world split into 7 equal areas of population

[alphydan]

for us colourblinds, North America, South America, Australia and Greenland are one group. But I assume they are not.

[grzm → alphydan]

They are all the same color of green.

[alphydan → grzm]

Thank you for the clarification.

[yazr → alphydan]

Is there some sort of chrome extension or screen utility for RGB-challenged ??

This is my startup idea for the day.

[zanecodes → yazr]

On Windows 10, you can go to the Settings app > Ease of Access > Color & high contrast and choose color filters for deuteranopia, protanopia, tritanopia, grayscale, inverted, and grayscale inverted.