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Comment by apotheothesomai | Hacker News Reader

They could invent it, but to most of us men, it's just going to look like a pre-existing red. We don't do color distinctions very well. We've got bright red, pale red, and in-between.

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You'd probably notice if your five year old Ferrari faded to a pink.

> Red 254, aka Ferrari red, for example, is safe and popular, but it’s also carbon-based, leaving it susceptible to fading in the rain or the heat.

For something like this though, your Ferrari owner would probably not mind paying to give it a repainting every few years.

Actually, exotic car owners/buyers tend to be obsessed about keeping the original paint. It's a rare Ferrari owner who would be willing to have his car repainted at all.

Indeed. Tetrachromacy is real, and men are unlikely to enjoy the superpower:

http://www.bbc.com/future/story/20140905-the-women-with-supe...

Tetrachromacy is real but vanishingly rare. However, I've read before that women have more bars and cones in their eyes than men & therefore better color reception, without being tetrachromatic.

I suspected my wife was a tetrachromat when we started debating what color something was. There are the "standard" arguments about is that blue or green or is that red or purple. But these were around yellow. Where she clearly saw two different yellows I could not distinguish them. She is unwilling to get the genetic test though, no matter how much I encourage her.

Is this something CRISPR could "fix"?

I mean, there's still a whole 50% of humans to market to in that case. Nevertheless, while men's color perception is typically worse, it's still good enough that a man with full color vision can see colors that humans can't reproduce faithfully.

it's about the pigment, not the color.

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