Meanings of violently green in English

The verges of the grave had been carpeted with Astroturf so violently green it hurt Louis's eyes.

A cement path led up to the porch steps, and on both sides the grass was long and violently green.

Above the violently green fields the sky shone like blue glass, and across the east were two long vermilion clouds.

Another was yellow, with a dazzle to it that made Andrew's naked eyes water, and a third was violently green.

Shadow picked cheerlessly at the dry turkey, jam-sweet red lumps of cranberry sauce, tough-as-wood roasted potatoes, and violently green canned peas.