The sin Wrath!

Wrath - strong vengeful anger or indignation: "A gentle answer turns away wrath, but a harsh word stirs up anger" (Proverbs 15:1).

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Anger is manifested in the individual who spurns love and opts instead for fury. It is also known as Wrath.

file:///Users/dannettewilson/Documents/3rd%20Year/Digital/7Deadysins/The%20Seven%20Deadly%20Sins%20revealed.html

http://www.ipernity.com/doc/markvelasquez/1823023

The colour associated with wrath/ anger is red.

http://www.kaboodle.com/reviews/seven-deadly-sins--wrath