Nahum 2:3

The shield of his mighty men is made red, the valiant men are dressed in scarlet: the chariots flash with steel in the day of his preparation, and the cypress tree [spears] are brandished.

Ezekiel 23:14-15

So she increased her acts of fornication. And she saw men portrayed on the wall, images of the Chaldeans portrayed with vermilion (reddish-orange color),

Isaiah 14:8

Even the cypress trees rejoice over you. The cedars of Lebanon say: 'Since you have fallen, no lumberjack has come to attack us.'

Isaiah 63:1-3

Who is this coming from Bozrah in Edom with his clothes stained bright red? Who is this dressed in splendor, going forward with great strength? It is I, Jehovah! I am coming to announce my victory. I am powerful enough to save you!

Zechariah 1:8

He said: I had a vision in the night. I saw someone riding a red horse. He stopped among some myrtle trees in a valley, and behind him were other horses, red, speckled, and white.

Zechariah 6:2

In the first chariot were red horses; and in the second chariot black horses;

Zechariah 11:2

Wail, You fir tree, for the cedar has fallen, because the majestic ones are destroyed. Wail you oaks of Bashan, for the strong forest has come down.

Revelation 6:4

Another horse that was red went out: and power was given to him who sat on it to take peace from the earth. He was given a great sword so that men could kill one another.

Revelation 12:3

Another sign appeared in heaven. It was a great red dragon, having seven heads and ten horns, and seven crowns upon 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
Even the cypress trees rejoice over you. The cedars of Lebanon say: 'Since you have fallen, no lumberjack has come to attack us.'
Zechariah 11:2
Wail, You fir tree, for the cedar has fallen, because the majestic ones are destroyed. Wail you oaks of Bashan, for the strong forest has come down.