the visual perceptual property corresponding in humans to the categories called red, green, blue and others

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2
votes
3answers
374 views

Should we use form button color to indicate task outcome?

I work in large company and We are building our UX guidelines for new applications. We have lots of legacy LOB applications with workflows that assign tasks to humans. Some of them are simple tasks ...
0
votes
3answers
39 views

Colors to mark items, what about black and white items?

We build a transit app, and want to use colors to denote train lines (that match with the train companies' descriptions: yellow line, blue line, etc). So we came up with the screenshot attached, very ...
1
vote
2answers
105 views

Background colour suitable for both black and white text

In my web page i have a black textured background and in foreground light blue, white, gray, yellow color texts are present. Colors that doesnt go with black color background are not visible. Can ...
0
votes
0answers
29 views

Accessibility (color contrast) of report inappropriate function

I'm looking into color contrast issues at present, and have noticed a pattern where 'report inappropriate content' flags seem to all fail AA compliance. I wonder if the flag was targeted via ...