When we shoot in color, we often don't realize that any color can be broken into three components, and so any picture can also be split into three different channels: for example Red, Blue and Green. Sometimes this simple fact can be utilized to our advantage to bring out the best of an image.

I took a picture (color, not monochrome) of the arches of Jaipur City Palace. The color of the building (like most other historic buildings in the city of Jaipur) is a hue in between pink and orange, and its ornate designs are in lighter shade of the same color. Converting the image into grayscale in the conventional way fails to provide the contrast that is needed to appreciate those beautiful patterns.

Then I split the image into Red, Green and Blue. Red channel turns out to be the worst for my purpose, as the designs become almost indistinguishable from the background. On the other hand, blue channel turns out to be the best, which was slightly enhanced into the picture shown above. If you use a dark blue filter with black and white film, you will get the same result.

Here is another example: a bed of tulips (Red and Golden Apeldoorns), split into Red, Green and Blue. Which one is the best? Difficult to tell, but one thing is for sure, they are all very different from one another.

Here are the links to the photopages of the past weeks :
1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
21, 22, 23, 24, 25, 26, 27, 28, 29, 30
31, 32, 33, 34, 35, 36, 37, 38, 39, 40
41, 42, 43, 44, 45, 46 .

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Photographs by Suvro Datta.

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