'Red' in the Bible

He replied, "In the evening you say, 'It will be fine weather, for the sky is red;'

and in the morning, 'It will be rough weather to-day, for the sky is red and murky.' You learn how to distinguish the aspect of the heavens, but the signs of the times you cannot.

This was he who brought them out, after performing marvels and signs in Egypt and at the Red Sea, and in the Desert for forty years.

For I would have you remember, brethren, how our forefathers were all of them sheltered by the cloud, and all got safely through the Red Sea.

Through faith they passed through the Red Sea as though they were passing over dry land, but the Egyptians, when they tried to do the same, were swallowed up.

And this was the appearance of the horses which I saw in my vision--and of their riders. The body-armour of the riders was red, blue and yellow; and the horses' heads were shaped like the heads of lions, while from their mouths there came fire and smoke and sulphur.