red hatter wrote:I was thinking that the frame could also have a different pattern, so people who have colour vision which is different from typical colour vision, can easily differentiate between the icons as well.
Example of an Ishihara color test plate. The number "74" should be clearly visible to viewers with normal color vision. Viewers with dichromat or anomalous trichromat may read it as "21", and viewers with achromat may see nothing.
i clearly see 21, (24 and 27 actually)
so thanks for pointing that out!
as an artist, it affects me - but not that much, as it's the lightest form possible...
and most of my work is dark & working with shadows [painting & sculpture - respectively]
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