[wp-trac] [WordPress Trac] #48709: Disabled button doesn't look disabled

[WordPress Trac]

#48709: Disabled button doesn't look disabled
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 Reporter:  drw158                               |       Owner:  audrasjb
     Type:  defect (bug)                         |      Status:  accepted
 Priority:  normal                               |   Milestone:  5.5
Component:  Administration                       |     Version:
 Severity:  normal                               |  Resolution:
 Keywords:  has-patch needs-dev-note needs-      |     Focuses:  ui,
  refresh needs-design-feedback                  |  administration
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Comment (by afercia):

 I'd argue that, although disabled controls don't have color contrast
 requirements, color alone can't be used to distinguish a disabled control
 from an enabled one.

 For a user who can't distinguish colors, or with low vision, etc. the
 Gutenberg implementation @melchoyce linked above is not ideal and should
 be reviewed. Basically, it doesn't differ that much from the core primary
 buttons.

 There's only a change in the color background and the button text gets
 "opaque". This isn't sufficient to distinguish a disabled button from an
 enabled one.

 See the attached screenshot, in order:
 - core primary buttons (not ideal)
 - latest Gutenberg plugin implementation (not ideal)
 - core default buttons: better, as the disabled buttons almost "fades out"
 and also its border is way less visible

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Ticket URL: <https://core.trac.wordpress.org/ticket/48709#comment:15>
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