turns red, say

The phrase "turns red, say" in crossword puzzles typically refers to the answer "DYES," which means to add color or change the color of something by soaking it in a solution impregnated with dye. Another related answer can be "DYEING," which is a six-letter variant meaning the process of turning red (or another color) by applying dye. These are common solutions for the clue "turns red, say" in recent crossword puzzles like the New York Times.