color-scheme CSS property
Changes the default colors of HTML elements. Useful for when you want an email to display only in a dark color scheme or only a light scheme, regardless of user settings
Outlook
Windows
2003
2007
2010
2013
2016
2019
Windows Mail
2020-01
macOS
16.73
16.80
Outlook.com
2023-09
iOS
2023-09
Android
2023-09
Samsung Email
Android
6.1
Mozilla Thunderbird
macOS
102.11
Fastmail
Desktop Webmail
2023-09
HEY
Desktop Webmail
2023-09
LaPoste.net
Desktop Webmail
2022-12
1&1
Desktop Webmail
2022-06
Android
2022-06
Mail.ru
Desktop Webmail
2023-09
WP.pl
Desktop Webmail
2024-11
Free.fr
Desktop Webmail
2022-12
T-online.de
Desktop Webmail
2023-09