'Red' in the Bible

He said, "When evening comes you say, 'It will be fair weather, because the sky is red,'

and in the morning, 'It will be stormy today, because the sky is red and darkening.' You know how to judge correctly the appearance of the sky, but you cannot evaluate the signs of the times.

This man led them out, performing wonders and miraculous signs in the land of Egypt, at the Red Sea, and in the wilderness for forty years.

By faith they crossed the Red Sea as if on dry ground, but when the Egyptians tried it, they were swallowed up.

And another horse, fiery red, came out, and the one who rode it was granted permission to take peace from the earth, so that people would butcher one another, and he was given a huge sword.

Then I looked when the Lamb opened the sixth seal, and a huge earthquake took place; the sun became as black as sackcloth made of hair, and the full moon became blood red;

Now this is what the horses and their riders looked like in my vision: The riders had breastplates that were fiery red, dark blue, and sulfurous yellow in color. The heads of the horses looked like lions' heads, and fire, smoke, and sulfur came out of their mouths.

Then another sign appeared in heaven: a huge red dragon that had seven heads and ten horns, and on its heads were seven diadem crowns.