Midnight Lizard is an open-source project host on Github.
However, Midnight Lizard sets itself apart from the rest by offering not just one dark theme. But a number of predefined and customizable gray and iridescent color schemes.
This is one of the best dark mode extensions for Google Chrome if you want granular control over everything.
Current Version Extension Color Schema for Browser
You can set the same theme for all websites or different colors for different sites. You can also adjust the brightness, saturation, contrast, and hue to improve readability.
There is also a blue light filter similar to smartphones, as well as the ability to change specific colors. Configure backgrounds, text, buttons, links, borders, images, and scroll bars.
Midnight Lizard Features
Midnight Lizard color schemes work across all websites. 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
You also can Use keyboard shortcuts to toggle extension
⮚ on current website: Alt+Shift+L
⮚ globally: Alt+Shift+M
Use with PDF and local files (enable in browser settings)
Link Extension on Webstore Google Chrome
https://chrome.google.com/webstore/detail/midnight-lizard/pbnndmlekkboofhnbonilimejonapojg
Link Extension on Firefox
https://addons.mozilla.org/id/firefox/addon/midnight-lizard-quantum/