Nahum 2:3

The shield of his giants glistereth, his men of war are clothed in purple. His chariots are as fire when he maketh him forward, his archers are well decked and trimmed.

Ezekiel 23:14-15

But she increased still in whoredom: for when she saw men painted upon the wall, the images of the Chaldeans set forth with fresh colors,

Isaiah 14:8

Yea even the fir trees and Cedars of Lebanon rejoice at thy fall, saying, 'Now that thou art laid down, there come no more up to destroy us.'

Isaiah 63:1-3

What is he, this that cometh from Edom, with stained red clothes of Bozrah, which is so costly cloth, and cometh in so nimbly with all his strength? "I am he that teacheth righteousness, and am of power to help."

Zechariah 1:8

"I saw by night, and lo, there sat one upon a red horse, and stood still among the Myrtle trees, that were beneath upon the ground: and behind him were there red, speckled and white horses.

Zechariah 6:2

In the first chariot were red horses, in the second chariot were black horses,

Zechariah 11:2

Howl ye Fir trees, for the cedar is fallen, yea all the proud are wasted away. Howl, O ye oak trees of Bashan, for the mighty strong wood is cut down.

Revelation 6:4

And there went out another horse that was red, and power was given to him that sat thereon, to take peace from the earth, and that they should kill one another. And there was given unto him a great sword.

Revelation 12:3

And there appeared another wonder in heaven, for behold a great red dragon, having seven heads, and ten horns, and seven crowns on his heads:

Treasury of Scripture Knowledge

Summary

The shield of his mighty men is made red, the valiant men are in scarlet: the chariots shall be with flaming torches in the day of his preparation, and the fir trees shall be terribly shaken.

Bible References

In scarlet

Isaiah 14:8
Yea even the fir trees and Cedars of Lebanon rejoice at thy fall, saying, 'Now that thou art laid down, there come no more up to destroy us.'
Zechariah 11:2
Howl ye Fir trees, for the cedar is fallen, yea all the proud are wasted away. Howl, O ye oak trees of Bashan, for the mighty strong wood is cut down.