This has always been the case. Possibly the holly and wreaths, or contrasting stop and go images-Red and Green lights. One interesting angle is the Running lights of ships-and Christmas is...
Modern Christian Symbolism Red - Christ's blood shed for our sin on the cross. (John 19:34) Green - Eternal life in Christ. (John 3:16-17) Green is specifically an evergreen color, as evergreen trees...
Red: The blood of Jesus Christ, who was born on Christmas and died when he was 33 and was resurrected 3 days later and is now in Heaven. White: Snow and the purity of Jesus, who never sinned. Green:...