Scriptural References to Colors & Meanings
There are many different Passages in the Bible referring to colors and flag poles.

They have various significance. Below are just a few.
Isaiah 13:2 “Lift up a banner on the high mountain, raise your voice to them; wave your hand, let them enter the gates of the nobles.
Psalm 20:5 We sing of Your deliverance, And in the Name of our Elohim we set up a banner! יהוה does fill all your requests!
Numbers 2:1 And יהוה spoke to Mosheh and to Aharon, saying,
Numbers 2:2 “The children of Yisra’ĕl are to camp, each one by his own banner, beside the sign of his father’s house. Let them camp around the Tent of Meeting at a distance.”
Isaiah 13:2 “Lift up a banner on the high mountain, raise your voice to them; wave your hand, let them enter the gates of the nobles.
Psalm 20:5 We sing of Your deliverance, And in the Name of our Elohim we set up a banner! יהוה does fill all your requests!
Numbers 2:1 And יהוה spoke to Mosheh and to Aharon, saying,
Numbers 2:2 “The children of Yisra’ĕl are to camp, each one by his own banner, beside the sign of his father’s house. Let them camp around the Tent of Meeting at a distance.”
Flag Shaft and Streamer Rod

Hebrew word Mat teh (mat-taw)#4294 Meaning:
a branch (as extending); figuratively, a tribe; also a rod, whether for chastising (figuratively, correction), ruling (a sceptre), throwing (a lance), or walking (a staff; figuratively, a support of life, e.g. bread):--rod, staff, tribe.
Hebrew word Qaneh (kaw neh)shaft #7069 Meaning:
A reed, by resemblance a rod (especially for measuring), shaft, tube, stem, the radius (of the arm), beam (of a steelyard):--balance, bone, branch, calamus, cane, reed, X spearman, stalk.
a branch (as extending); figuratively, a tribe; also a rod, whether for chastising (figuratively, correction), ruling (a sceptre), throwing (a lance), or walking (a staff; figuratively, a support of life, e.g. bread):--rod, staff, tribe.
Hebrew word Qaneh (kaw neh)shaft #7069 Meaning:
A reed, by resemblance a rod (especially for measuring), shaft, tube, stem, the radius (of the arm), beam (of a steelyard):--balance, bone, branch, calamus, cane, reed, X spearman, stalk.
Scriptural Reference to Colors

COLOR WHITE: Purity, The Bride, Peace, Angels, Holiness, Love.
BIBLE PASSAGE:
John 20:12: And seeth two angels in white sitting, the one at the head, and the other at the feet, where the body of Jesus had lain.
Est 8:15 And Mordeḵai went out from the presence of the sovereign wearing royal garments of blue and white , with a great crown of gold and a garment of fine linen and purple. And the city of Shushan rejoiced and was glad.
BIBLE PASSAGE Banners:
Isa 13:2 “Lift up a banner on the high mountain, raise your voice to them; wave your hand, let them enter the gates of the nobles.
COLOR RED: Blood of יהושע (Yahoshua), Atonement, Cleansing, Redemption.
BIBLE PASSAGE:
Joh 6:53 יהושע therefore said to them, “Truly, truly, I say to you, unless you eat the flesh of the Son of Aḏam and drink His blood, you possess no life in yourselves.
COLOR BLUE: Heavenly Character, Holy Spirit, Water, Overcomer, The Truth, Divinity
Esther 8:15: When Mordecai left the king’s presence, he was wearing royal garments of blue and white, a large crown of gold and a purple robe of fine linen. And the city of Susa held a joyous celebration.
BIBLE PASSAGE:
Mat 3:16 And having been immersed, יהושע went up immediately from the water, and see, the heavens were opened, and He saw the Spirit of Elohim descending like a dove and coming upon Him,
COLOR PURPLE: Royalty, Majesty, Wealth.
Color of the tabernacle. Blue, Purple and Scarlet.
BIBLE PASSAGE:
Esther 8:15: When Mordecai left the king’s presence, he was wearing royal garments of blue and white, a large crown of gold and a purple robe of fine linen. And the city of Susa held a joyous celebration.
Color Gold
COLOR GOLD: Righteousness, Purification, Glory, Kingliness.
BIBLE PASSAGE:
Esther 8:15: When Mordecai left the king’s presence, he was wearing royal garments of blue and white, a large crown of gold and a purple robe of fine linen. And the city of Susa held a joyous celebration.
Color Silver
COLOR SILVER: The Word of Elohim, Righteousness, Divinity, Strengthened Faith.
BIBLE PASSAGE:
Color Green
COLOR GREEN: New Beginning, Eternal Life, Vigor, Harvest.
BIBLE PASSAGE:
Color Black
COLOR BLACK: Darkness, Sin, Death, Mourning, Evil, Famine
BIBLE PASSAGE:
Color Amber
COLOR AMBER: The Glory of Elohim, Fiery Passion, Wisdom
BIBLE PASSAGE: Ezekiel 1:4. Gods glory and the brightness of His presense.
Color Fuschia
COLOR FUSCHIA: Joy, Compassion, Right Relationship
BIBLE PASSAGE:
Color Turquoise
COLOR TURQUOISE: Healing, The River of Elohim
BIBLE PASSAGE:
Color Rainbow
COLOR RAINBOW: Noahic Covenant
BIBLE PASSAGE:
Genesis 9:16 “And the rainbow shall be in the cloud, and I shall see it, to remember the everlasting covenant between Elohim and every living creature of all flesh that is on the earth.”
Ezequiel 1:28 As the appearance of a rainbow in a cloud on a rainy day, so was the appearance of the brightness all around it. This was the appearance of the likeness of the esteem of יהוה. And when I saw it, I fell on my face, and I heard a voice of One speaking.
Revelation 4:3 And He who sat there was like a jasper and a ruby stone in appearance. And there was a rainbow around the throne, like an emerald in appearance.