[wp-trac] [WordPress Trac] #48723: Twenty Twenty: Editor Block Toolbar Icons “invisible” inside a block with background color preset

[WordPress Trac]

#48723: Twenty Twenty: Editor Block Toolbar Icons “invisible” inside a block with
background color preset
---------------------------+-----------------------------
 Reporter:  collet         |      Owner:  (none)
     Type:  defect (bug)   |     Status:  new
 Priority:  normal         |  Milestone:  Awaiting Review
Component:  Bundled Theme  |    Version:  5.3
 Severity:  normal         |   Keywords:
  Focuses:  ui, css        |
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 To reproduce the issue:
 - In the customizer, set the Background Color as white (to generate
 colors)
 - In the editor, insert a group and set its background color to Primary
 using the color palette.
 - Insert a block (e.g. paragraph, heading...) inside the group

 The icons of the block toolbar (when not set to Top Toolbar) are white
 instead of dark.

 [[Image(https://i.imgur.com/v3lTv1z.png)]]

 As soon as the background color in the customizer is different than
 default, the toolbar icons color is changed. For white text color, the
 icons are white thus invisible. For black text color, the icons are black
 instead of the Gutenberg dark gray.

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Ticket URL: <https://core.trac.wordpress.org/ticket/48723>
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