LightBulb 2.6 | Portable

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LightBulb — background application that adjusts screen gamma, making the colors appear warmer at night, reducing strain on your eyes.

Available Settings

Maximum color temperature (day-time temperature) [6600]
Minimum color temperature (night-time temperature) [3900]
Transition duration (how long it takes to transition from day to night temperature) [90 mins]
Gamma polling (regularly refresh gamma) [enabled]
Disable when fullscreen (pause gamma control when a fullscreen application is in foreground) [disabled]
Sunrise time (when night turns to day) [07:20]
Sunset time (when day turns to night) [16:30]
Internet geo sync (updates sunrise/sunset from internet for current location) [enabled]
* Temperature update interval (how often is the temperature updated) [1 minute]
* Gamma polling interval (when polling is enabled, how often does it happen) [5 seconds]
* Internet sync interval (how often are the sunrise/sunset times synchronized) [6 hours]
* Default monitor temperature (monitor's color temperature when LightBulb is disabled) [6600]
* Temperature epsilon (by how much should color temperature change to warrant gamma refresh) [50]
Temperature smoothing (temperature changes are smoothed out to give time for eyes to adjust) [enabled]
* Maximum temperature smoothing duration (when smoothing, up to how long does it take to finish) [3 seconds]

* — cannot be changed via UI