Put simply, red Vertical blinds are gorgeous to look at and gorgeously useful. Here’s why. Red Vertical blinds come in all sorts of eye-catching shades. You can pick a rich red that’s ripe for creating drama or something more subdued and better at blending in. And the best bit about red Vertical blinds is how they work. You can open and close them fully or tilt the louvres to let in as much sunlight as you want.