Introduced in Minecraft 1.17, light blocks are invisible items that produce light levels ranging from zero to 15.

Froglights are brand new light-emitting blocks that were added to the game with the Minecraft 1.19 update. They are part of the new Frog mob that has also been released with the update.

Minecraft 1.19 is slated to release pretty soon, and here is How to Get Frog Light in Minecraft of different colors.