Blue and purple
In Ezekiel 27:7, this signifies rituals corresponding to internal worship, and so represent celestial things. (Arcana Coelestia 1156)
In Jeremiah 10:9, this signifies being clothed with natural things that are seemingly in agreement. (Arcana Coelestia 424)
Write, to
In John 8:2-11, when the woman taken in adultery was brought before him, the Lord wrote twice on the ground. This signifies the condemnation of the scribes and Pharisees for adulteries in a spiritual sense, they having adulterated the goods and falsified the truths of the Word. (Apocalypse Explained 222)