On 29-Oct-25 18:28, Martin J. Dürst wrote:
Hello Brian,
On 2025-10-29 04:41, Brian E Carpenter wrote:
Hi Martin,
But as has been discussed in previous mail, in the example at hand, it
would be much more helpful for the reader to replace 'For example, "A
color display should be able to differentiate 🔴 (U+1F534), 🟢
(U+1F7E2), and 🔵 (U+1F535)."' with 'For example, "A color display
should be able to differentiate 🔴 (LARGE RED CIRCLE), 🟢 (LARGE GREEN
CIRCLE), and 🔵 (LARGE BLUE CIRCLE).", because it saves somebody with
a black-and-white display some lookups.
Monochrome displays are rare today, but I would like to hear an opinion on
this from someone who is colour blind.
I'm not color blind. I can imagine answers like:
- Can't distinguish colors, so I don't care.
- Can't identify the colors, but they are different shades, so I know
they are different.
- Giving the numbers lets me know these are different characters.
- Having the names helps when talking to others.
(and many more).
You can get some idea by dropping a png of the rendered text into
https://www.color-blindness.com/coblis-color-blindness-simulator/ and trying
the various conditions - for example, with Green-Blind/Deuteranopia the red and
green circles are quite similar. But I don't want to speak for people who can
perfectly well speak for themselves.
Brian
Regards, Martin.
Regards/Ngā mihi
Brian Carpenter
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