11. I heard about purple lights , but where will you likely to see purple LED lights. 12. When seen through a digital camera, the diode appears to be emitting pulses of purple light . 13. I will always remember the eerie purple light and her kindness when she held my hand. 14. During both songs, she wore a flowing turquoise dress and basked in " purple light and smoke ". 15. There is no such thing as the " wavelength of purple light "; it only exists as a combination. 16. One showed a dot of bright light in the night sky, another a shaft of purple light shooting into a mountain. 17. Purple lights were used on some early signals in particular circumstances ( e . g . wrong-road or goods lines ).18. The Los Angeles City Hall building is lit in purple light for a week in observance of the Armenian Genocide centennial. 19. As Kiedis begins to sing, he appears on camera bathed in purple light with blue fluorescent stars as a backdrop, surrounded by clouds. 20. The City Hall dome and the top of the Bromo-Seltzer tower are bathed in purple light to honor the Super Bowl-bound Baltimore Ravens.