Do You Even Need Aquarium Lights? Aquarium lighting might seem tricky, but it’s simpler than you think. There’s a full spectrum of light to consider—red, blue, white, and even actinic. The key is matching the light to your aquarium’s inhabitants. Take corals, for example—they thrive under blue light, which mimics the wavelengths they get in nature. Actinic lamps and blue LEDs are perfect for this, helping corals and their symbiotic organisms stay vibrant and healthy. With the right lighting, you