The best replacement for natural light is artificial light.

The best alternatives to natural light are rated as following:
★★★★★  artificial light
★★★★  bud light
★★★  natural ice
★★★  busch light
★★  keystone light
★★  miller lite
★  daylight deluxe
★  michelob ultra
★  artificial
★  coors light
★  studio light
★  soft white
★  keystone
  cool white
  fluorescent light
  warm light
  flash photography

Your alternative for natural light is not listed? Suggest!
Speaking about natural light, one probably shouldn't forget about reflectors.

Other search terms related to natural light and their ratings are:
★★★★★ reflectors
You have in mind a companion for natural light and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of natural light in all years. Click on graph for more.
natural light
artificial light
bud light