Green is a beautiful color ! It shows health and growth in plants ! But in a different light it is associated with jealousy and envy. "Green with envy" as te saying goes. Jealousy says , " they have something that I want and I'm upset about it".  Envy says, " I resent their success, abilities, position, honor, etc". Neither display the love of God in Christ Jesus our Lord. Both are sinful. Neither give glory to God.

Philippians 1:15 King James Version (KJV)

15 Some indeed preach Christ even of envy and strife; and some also of good will: