Evening rotation featuring a CSS design reminiscent of f.lux

Would it be feasible to develop a feature akin to f.lux for my website?

f.lux emulates a night shift - I am interested in implementing a similar function on my Web-App.

For instance, a CSS property that adjusts the colors to a specific temperature.

Currently, I am using react on the client side. Is there possibly a plugin available for this task? Thank you and kind regards!

Answer №1

Expanding on Sean's response, you can also utilize the background-color property to create a similar effect. It's important to include pointer-events: none in order to ensure that the orange layer doesn't interfere with user interactions.

html:before {
  position: fixed;
  width: 100%; height: 100%;
  background-color: #ffa339;
  opacity: .1;
  pointer-events: none;
  content: ' ';
  z-index: 99999;
}
<button>enhance!</button>

Please note: There may be additional complexities related to flux/nightshift features, so keep this information in mind. Providing a dark theme option could be an even more effective approach for enhancing nighttime usability of your website.

Answer №2

This issue doesn't have a direct solution in react, however, it can be partially addressed using CSS.

html:after {
  content: '';
  display: block;
  height: 100%;
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  backdrop-filter: sepia(100%);
  z-index: 10000 !important;
}

Note: Support for backdrop-filter is limited across browsers.

Answer №3

f.lux has the amazing ability to change the color temperature of your screen based on the position of the sun in your current location.
To replicate this feature, you have three options:

  • Allow users to toggle on/off - my recommendation due to total control and ease of use, but may require frequent adjustments.
  • Have users manually set their position and sunrise-sunset times - more challenging for users.
  • Implement auto detection.

If you opt for the latter, using APIs is essential. You can obtain the location via IP address (although it may not be entirely accurate). Yahoo offers an API that provides sunrise/sunset times.
For example, this query will give you the sunset time in Maui:

select astronomy.sunset from weather.forecast where woeid in (select woeid from geo.places(1) where text="maui, hi")

To adjust screen brightness and color dynamically, check out Fabian Schultz's solution on Stack Overflow.

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