This article deals with websites' colors displaying incorrectly. If more than colors are incorrect, see the Websites look wrong or appear differently than they should article.
Table of Contents
Page style disabled
You may have inadvertently set the page style to "No Style." To ensure Firefox is set to use the page's default style:
- At the top of the Firefox window, click on the menu, then select , then click .
- On the menu bar, click on the menu, then select , then click .
Websites not allowed to use their own colors
Firefox has a setting that allows you to override a page's text and background color settings. To turn off this setting:
- In the Menu bar at the top of the screen, click and then select or , depending on your macOS version.Click the menu button and select .
- Select the panel.
- Click the button.
- Make sure the checkbox beside Allow pages to choose their own colors, instead of my selections above is checked.
- Click .
- Click Close the preferences window. Now that Firefox is configured to allow web pages to choose their colors, try visiting the website again to see if it looks correct.
Windows settings
Windows has settings that can affect the display of web pages in Firefox.
High contrast
Ensure that Windows is not in high contrast mode.
- If Firefox is running, exit it.
- From the menu at the top of the Firefox window, select and the menu item.
- Open the Windows Control Panel.
- (Windows Vista) Click the Windows icon and choose .
- (Windows XP) Open the Windows Start Menu, then choose .
- Open the Accessibility dialog.
- (Windows XP) Double-click .
- Click on the tab.
- Make sure the checkbox beside Use High Contrast is unchecked.
- Press . Start Firefox and see if the colors are now correct.
256 color mode
- If Firefox is running, exit it.
- From the menu at the top of the Firefox window, select and the menu item.
- Right-click the icon you use to start Firefox and choose . The properties dialog will open.
- Click the tab.
- Make sure the checkbox beside Run in 256 colors is not checked.
- Press . Start Firefox and see if the colors are now correct.
Blue text shows as red
The ATI Catalyst 7.12 video drivers can cause blue text to show as red on Windows XP. You have a few options to fix this problem:
- Roll back your video driver to 7.11.
- Turn on ClearType. Instructions available here.
- Turn off font smoothing. Instructions available here.