How to Fix Microsoft Excel Displaying in Black and White
Question details
The user is unable to see or apply cell colors in Microsoft Excel because the display has unexpectedly shifted to a black-and-white visual theme.

- Product
- Microsoft Excel
- Device & OS
- Windows
- Scenario
- Working on Excel spreadsheets on a Windows PC, potentially while on battery power or a metered mobile connection.
- Observed behavior
- The Excel interface and worksheet cells display entirely in black and white, and custom colors cannot be applied to cells or text.
Verify if the black-and-white issue is isolated to Excel or if your entire computer screen is affected, as this display behavior is almost always caused by system-wide accessibility settings rather than an Excel bug.
Use the Windows Keyboard Shortcut to Turn Off High Contrast Mode
The fastest way to restore your system and Excel colors is by toggling the Windows High Contrast accessibility shortcut.
Windows features a built-in shortcut that toggles a high-contrast theme, which forces applications like Excel to display in black and white for readability. Accidentally pressing this combination is the most common cause of the issue.
Locate and press down the 'Alt' and 'Shift' keys on the left side of your keyboard simultaneously.
While holding the two keys, press the 'Print Screen' (PrtScn) key once.
If a High Contrast warning dialog box appears on your screen, click 'Yes' or press Enter to disable the mode and restore normal colors to Excel.

Disable High Contrast via Windows Accessibility Settings
If the keyboard shortcut is disabled on your device or does not work, you can turn off the high-contrast theme directly from the Windows Settings menu.
Try WPS Office for a Hassle-Free Spreadsheet Experience
If Microsoft Excel's system-dependent display settings or heavy resource usage are disrupting your workflow, WPS Office offers a free, lightweight, and highly compatible alternative. Enjoy a familiar interface and seamless spreadsheet management.
- 1. Download the Software: Get the free WPS Office suite from the official website and complete the quick installation.
- 2. Open Your Spreadsheets: Launch WPS Spreadsheet and open your existing Excel files directly, ensuring zero format loss.
- 3. Resume Your Work: Continue applying colors, formatting cells, and calculating data seamlessly in a stable environment.

Frequently Asked Questions
Why did my Excel suddenly turn black and white?
This usually happens when Windows High Contrast mode is accidentally triggered via a keyboard shortcut (Left Alt + Left Shift + Print Screen) or automatically enabled by aggressive power-saving settings when your laptop battery is running low.
Does the black and white display issue affect printing?
If the issue is caused by Windows High Contrast mode, it only alters the on-screen display. Your Excel document will still print in full color unless you have specifically selected 'Black and White' or 'Grayscale' in your printer settings.
Why can't I change the fill color of a cell anymore?
In High Contrast mode, the Windows operating system forces a strict two-color scheme across all applications for accessibility purposes. This system-level override prevents any custom cell fill colors or font colors from displaying in Excel until the mode is disabled.
How can I check if this is an Excel-specific bug?
Simply minimize Excel and look at your desktop or open another application like your web browser. If your entire screen, including the taskbar and other apps, is in black and white, it is a Windows system setting rather than an Excel bug.




