reflective inks for screen printing Gray Reflective Ink Features: NiYaFu reflective ink is ... Reflective colors: red, yellow, blue, green, golden, silver, gray, clear, black and white (special colors can be customized). Construction ... print normal ink or paint at the bottom (silver gray or the color you want), dry, then print the ... not thick, otherwise there is no reflective effect. Gray Reflective Ink