Elon Musk 's Twitter now shows Gold, Gray and Blue checkmarks for different types of accounts. But some users are complaining that these features aren't inclusive of color-blind people.

A person with monochromatic color blindness does not see any colors — they see only black, white, and gray. With dichromatic color blindness, a person sees two colors out of red, green, and blue ...

Another wrote, “Was I just gaslit into expecting a blue chair only to see it’s gray?” The strong reaction pushed Kristin to take an online color blind test.

Berkeley-based company EnChroma, which makes glasses that enrich color vision for the colorblind. Erik Ritchie is the company’s CEO, and he shares his vision for the future of seeing in color.