“Black: death and in other cases, evil; blue: infinity and the spiritual world of heaven; brown: the material, mortal world; gold: the divine nature of God (brightly radiating outward and dispelling all darkness)…purple: royalty; red: Christ’s resurrection, sacrifice and Christian martyrdom (the color of blood); white: God’s divine light, holiness and purity; green: life and hope.”
(What typical icon colors represent)