How to change the colours using colour filters in Windows 10

• Inverted
• Greyscale
• Greyscale Inverted
• Red-green (green weak, deuteranopia)
• Red-green (red weak, protanopia)
• Blue-yellow (tritanopia)

To apply colour filters

1. Open the ‘Ease of Access’ settings by pressing the ‘Windows logo key’  + ‘U’ on the keyboard or via Start Menu > Settings > Ease of Access (see the article Open Accessibility Preferences on this website for more information.)
2. Select ‘Colour filters’ from the Vision section in the left column.
3. Under ‘Use colour filters’ in the right column, click the toggle switch labelled ‘Turn on colour filters’. The screen colours will immediately change (Greyscale is the default filter used).
4. 
5. Select the colour filter you would like to apply.
   
6. If you’d like to use a keyboard shortcut to toggle the filter on and off as and when required, check the box labelled ‘Allow the shortcut key to toggle filter on or off’. To keyboard shortcut is the ‘Windows logo key’  + ‘Ctrl’ + ‘C’.
7. When you are happy with your settings click the ‘X’ close button in the top-right of the window

Note: If this does not work it could be because your computer settings are managed by someone else (an IT department or administrator for example) in which case you will need to contact them to access these settings or for further help.