Midnight Lizard web-extension for Google Chrome™ and Mozilla Firefox™ provides custom color schemes for all websites. Each color scheme works on all websites and will never become outdated. There are many predefined color schemes and you can install more from midnight-lizard.org

✔ Choose between dark, light, grayscale or colorful color schemes
✔ Modify existing or create new color schemes
✔ Use different color schemes on each website
✔ Adjust brightness, saturation, contrast and hues
✔ Improve accessibility and readability
✔ Increase contrast to make text easier to read
✔ Apply blue light filter to shift all colors towards red light
✔ Keep original images and hues without inversion
✔ Schedule automatic activation and deactivation
✔ Or follow system color scheme schedule
✔ Use with PDF and local files (enable in browser settings)
        _{^{PDF processing is available only in Chromium-based browsers}}
✔ Dynamically change Firefox theme (disabled by default)
✔ Shade bright colors and images
✔ Change any colour you want
✔ Synchronize your settings
✔ Configure background, text, buttons, links, borders, images and scrollbars
✔ Apply globally, per-website or with url match patterns
✔ Switch between websites blacklist and whitelist modes
✔ Use Simplified mode to improve performance on heavy websites
✔ Use keyboard shortcuts to toggle extension
  ⮚ on current website: Alt+Shift+L
  ⮚ globally: Alt+Shift+M

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