Big Yellow Taxi

Because #ffff33 is extremely luminous, it should be reserved for small UI accents, like buttons or notification badges, rather than large backgrounds. Pair it with dark text, such as charcoal or pure black, to ensure your content remains readable and accessible for all users.

Using #ffff33 as a background color for text will almost always fail accessibility contrast standards due to its extreme brightness. Always layer dark, high-contrast typography over it if you must use it in larger areas, or stick to using it for graphical elements like icons and accent borders.