Revelation 4:5

And lightning flashes and [loud] sounds of rolling thunder came out of God's throne. And there were seven lighted torches burning in front of the throne, which are the seven Spirits of God [i.e., the Holy Spirit. See 1:4].

Matthew 28:3

He appeared as [brilliant] lightning and his clothing was white as snow.

Revelation 10:1

And I saw another mighty angel coming down from heaven. He was covered by a cloud and there was a rainbow above his head. His face was like the sun and his legs were like pillars of fire.

Revelation 18:1

After these things I saw another angel coming down from heaven. He had great authority, and the earth was illuminated by his splendor.

Treasury of Scripture Knowledge

Summary

As for the likeness of the living creatures, their appearance was like burning coals of fire, and like the appearance of lamps: it went up and down among the living creatures; and the fire was bright, and out of the fire went forth lightning.

Bible References

General references

Matthew 28:3
He appeared as [brilliant] lightning and his clothing was white as snow.
Revelation 4:5
And lightning flashes and [loud] sounds of rolling thunder came out of God's throne. And there were seven lighted torches burning in front of the throne, which are the seven Spirits of God [i.e., the Holy Spirit. See 1:4].
Revelation 10:1
And I saw another mighty angel coming down from heaven. He was covered by a cloud and there was a rainbow above his head. His face was like the sun and his legs were like pillars of fire.
Revelation 18:1
After these things I saw another angel coming down from heaven. He had great authority, and the earth was illuminated by his splendor.