Wouldn't be surprised if it's created by people who are responsible for chart colors across all of Google's tech products: Google Console, Datastudio etc. "Here, have barely distinguishable shades of blue", or "in your charts you've setup errors will be blue, and successes will be ... also blue"
I'm getting...
"hostilecolors.com has expired"
These are just unreadable in general. I'd prefer if normal people could still read the text.
"normal people"
perhaps you shouldn't take it offensively. Sufficient vision is simply the norm, that's what normal means.
Then the author meant normal vision, not normal people. In fact, the author already happily corrected themselves — forty-five minutes before you chimed in!
So how would you have preferred it to be phrased? "people with normal vision" or "normal visioned people"? vs the more terse "normal people" for which the context of vision can be easily inferred.
Probably "people with normal vision", because it's the typicality of the person's visual acuity that's topical, not that person's normality.
people with normal vision
The old IP address this resolved to was 76.76.21.21, so you can load it by editing /etc/hosts (also nulling the IPv6 Google addresses):