indigo-backed

Updated: May 12, 2025

As the afternoon wore on the weather improved. The sun, soon to drop behind the cliff-summits on the left, asserted itself with a last effort and shot a red gleam through a chink low in the cloud-wrack. The shaft widened. The breakers indigo-backed till now and turbid with sand in solution began to arch themselves in glass-green hollows, with rainbows playing on the spray of their crests.

Sir Arthur Thomas Quiller-Couch - Lady Good-for-Nothing : A Man's Portrait of a Woman