Colour Spectrum

Challenge series hosted by SpaceSnail. Challenges start on Mondays.
Modern digital cameras have the ability to resolve light throughout our visible spectrum, and even exceed it. the aim of this theme is to explore in isolation, distinct bands of colour and their powers in photograph. This is to be achieved using different techniques involving lighting, filters, false colour and subject matter.
Finished (3 challenges)
3. Green
Entries: 50
Winners announced: 16th July, 2012 GMT
Winner: Stilllife22
The word green is closely related to the Old English verb growan, "to grow". But it has much further reaching connotations than plantlife. Animals such as frogs, lizards, and other reptiles and amphibians, fish, insects, and birds. Several minerals have a green color, including emerald. Culturally, green has broad and sometimes contradictory meanings. In some cultures, green symbolizes...
2. Red
Entries: 50
Winners announced: 2nd July, 2012 GMT
Winner: Red on Black
Red, the color of human blood, symbolizes passion, fire, love, and anger. In Eastern cultures, it also connotes luck and prosperity. Red occurs throughout nature, from dying stars to dying leaves, and humans have evoked its powers for everything from politics to sports. Try to take a photo capturing the essence of the colour red.
Entries: 50
Winners announced: 11th June, 2012 GMT
Winner: WPB-Botanical-Infrared-1
Try using an infra-red filter, blocking out most visible wavelenths. They are relatively inexpensive. Photographs to be judged on ability to demostrate the difference in appearance of the world in infra red. Some find an eerie ghostly appearance, but other differences are apparent. This website might give some inspiration: