Dark theme problems!
See thread for issues related to dark theme. Here are some that are noted:
In dark theme, the warning messages are quite unreadable in the private messaging window
When an email is sent in from Outlook on the Web when I’m using the dark theme, the text in the email is very dark as per the original email. When viewing this email with Teams using the default (light) theme, it looks great.
In Teams chat, no way to turn text back to WHITE, when using the dark theme.
Using the dark theme, I have to hunt around a bit to find chats with new messages. Since the only notification that a chat with a specific person has new messages is that the text is bolded, it’s easy to miss. Would be nice if new chats bubbled up to an “active chats” group or something like that. Or maybe a red notification as to how many chats I haven’t read, similar to the one on the “Chat” tab, but specific to a chat.
When I am using the dark theme, when highlighted messages are posted, they are extremely difficult to read. You should automatically change the color of the highlighter from yellow to another color that makes it easier to read for people using the dark theme.
Code blocks are almost unreadable when using the dark theme, the text is white on a bright-grey background.
When using an alternate theme like dark theme, copying messages out of Teams brings its background with it, meaning if you paste it somewhere else it has that dark gray background.
When copying something into teams, it preserves its original font color on top of the dark background, causing problems with visibility. If you are going to allow palette swapping themes, please add appropriate measures for text copied out of or into the app.Currently font color which is grey is too light for contrast and difficult to read. Would be good if it is a dark grey or black.

This feature request is still being worked upon. No additional status to share
Items still in the works:
2), 4), 5) and 7)
Items we cannot repro:
6) and it doesn’t appear people are hitting it, but let me know
Items that are completed and in the public release:
1) and 3)
-Warren
59 comments
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Marcelo Sauaf commented
Warren, just create a list with a rich text column and try to read its contents in dark mode. It's unreadable! Just make Teams KEEP the white background for fields when Dark mode is set ;) (or gray 50% at least)
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Sean commented
Outlook trying to change font colors say to yellow the dark theme almost mutes out the font. this should be one of the highest contrast options but it is not working.
The issue seems to be that the dark theme is applied over the standard. so yellow on white looks bad then apply dark theme over it and the whole thing looks terrible and almost impossible to read. but blue and purple which have good contrast with white seem to also have good contrast with the dark theme. seems like the order of overlays is all wrong.
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Mary L. commented
I have the light default mode selected but my meeting has the dark background and won't turn back.
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Dominic Cotton commented
When applying formatting to a view in a list within teams, using this:
{
"schema": "https://developer.microsoft.com/json-schemas/sp/view-formatting.schema.json",
"additionalRowClass": "=if(toString([$Date_x0020_Retired]) == '', '','sp-field-severity--blocked')"
}The colours are not complimentary to Dark mode.
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kensley commented
None of the theme options in Microsoft Teams allow vanilla web sites (posted in channel tabs), to render #ffffff as a true white background on pages by default. Please allow website branding structures to be what they are...themselves.
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Siddharth Kaul commented
Another issue is that in flow checker in teams client the errors and warning text is not visible. See the attachment.
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Anonymous commented
4) instead of just bold it would be great to also change the color to yellow for example. For the web version I use a userscript for this and it looks good.
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Anonymous commented
I like the dark mode, but not with outlook mobile app. I always use background highlighted text within the email text for fast comments... But as it is drop we lost understanding of the inserted text :o( No way to use dark mode. It works with Gmail...
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Todd Barber commented
There also issues when using the Website Tab. The website is black text on a white background, but when it comes into Teams, the background color is dropped, but the black text is kept so it is unreadable.
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Cecilia commented
Ditto, any updates on #7? I have no idea on how to remove the black background on my google doc after copying it from a website that I was reading in "dark reader" mode. I wish it could be removed by changing the highlight color! Thanks!
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Shakeel commented
I enabled Dark Theme on the settings and the whole screen goes black. I cant click on anything. I tried closing the app from the status bar and reopening it a fresh but same issue. Cannot also get back into settings. Please help.
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Anonymous commented
Any update on 7) please?
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Anonymous commented
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Lyle Hanson commented
For anyone dealing with the Dark theme preference seemingly being forgotten occasionally (see https://microsoftteams.uservoice.com/forums/555103-public/suggestions/34154212-dark-theme-reverts-back), here's a userscript which makes sure the setting sticks:
https://greasyfork.org/en/scripts/390687-microsoft-teams-dark-theme-resetter
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Dustin Pritchard commented
I like using the Dark Theme and icons for each team. However, when I invite guests to the team structure to collaborate, all they see are the default team settings and icons. This does not give our processes continuity of brand among other things. Please update Teams to allow for guests to have the same UX as a member (with standard limitations of course)
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Mike commented
Other dark mode issues include Alexa app displaying weather correctly on both my laptop and desktop computers. Not sure where to place this information so people become aware of it.
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George Butel commented
I tried a high-contrast dark theme for the first time yesterday, and I noticed that my eyes instantly started feeling good. I had not realized that they were strained, although I found the changing theme idea as a result of looking for ways to mitigate potential problems with blue LED light.
Unfortunately, some GUIs become virtually unusable after changing to a dark theme. Putting a sticky note onto a pdf with Adobe Reader, for instance, you can't see the text you're putting in at all, unless you highlight it after entering it. Text put into Copernic's desktop search GUI cannot be read directly either. An Estelar utility I use does the same thing. I was going to try to see if there was some way to change one of those GUIs individually in order to make them compatible, but, alas, when I tried to access the menus of Copernic, I couldn't read them either.
Since the dark theme does seem to be so good on the eyes, it is imperative that Microsoft fix these issues. I was going to joke about them being paid off to create eyestrain in order to benefit the opthalamology profession, but some people might take it seriously. There's too much conspiracism in the world as it is.
Perhaps there's some way to make individual applications run in a sort-of sandbox in the dark-themed system. Fix it so that the user can right-click on the program exe or shortcut, and select the option, "Modify GUI appearance," with, presumably, a sub-menu then appearing. -
Anonymous commented
It's pretty unacceptable that these dark theme issues have not been resolved yet. They persist after a year... and we can't even select other themes. I wanted to move us from slack today... but I cannot do so liek this... is there a dev team that is even looking at these issues? Embarrassing at the moment.
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Daniel commented
Text pasted from Outlook that has colored text does not show up properly in the Dark Theme. The colors show up in the light theme, however.
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Mark Richards commented
It seems like 6) is resvoled, I've not noticed it being paid lately.