The sole straightforward fix for that is to cover them with an appropriate chair cover.
Most folks opt to get white chair covers and then get a sash bow that's the exact same color as one of their first marriage colours. I've seen receptions where they exploited a white polyester table cover with a coloured satin overlay together with a white polyester chair cover and it looked impressive. If you're also planning on leasing your chair covers then you've got to make sure these all match or if that's not possible you can find enough of the same shade to brighten one table. You may need just a couple of straightforward decorating tools to embellish cakes for birthdays and any unique vacations. But this wont be adequate, you'll also need anomalous cake decorating tools like baking pans, topping flutes and spatulas.