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Shoot RAW + JPEG. The greatest monochrome conversions are happen on by editing raw files which have the full colour information, but if you shoot raw and JPEG files simultaneously and set the camera to its monochrome picture Style/Picture Control/Film Simulation mode you get an indication of how the image will look in black and white. As many photographers struggle to visualise a scene in black and white, these monochrome modes are an invaluable tool that will help with composition and scene assessment. most cameras are also capable of producing decent in-camera monochrome images these days and it’s worth experimenting with image parameters (usually contrast, sharpness, filter effects and toning) to find a look that you like. Because compact characteristic cameras and compact cameras show the scene seen by the sensor with camera settings applied, users of these cameras are able to preview the monochrome image in the electronic viewfinder or on rear screen before taking the shot. DSLR users can also do this if they kick in her camera’s live hunch trait , but the usually slower responses mean that many will find it preferable or check the image on the screen post-capture.

Take Control. Although coloured filters should still be used to manipulate contrast when shooting digital black and white images, it’s more common to save this work until the processing stage. Until a few years ago Photoshop’s Channel Mixer was the favorite means of turning colour images monochrome, but now Adobe Camera Raw has more powerful tools (in the HSL/Grayscale tab) that allow you to adjust the brightness of eight individual colours that make up the image. It’s possible to adjust single of these colours to make it anything from white to black with the sliding control. However, it’s important to keep an eye on the whole image when adjusting a particular colour as crafty gradations may become unnatural looking. And adjusting the brightness of a red or pinkish shirt with the red sliding control, for instance , will have an impact on the model’s skin, especially the lips. The Levels and Curves controls could also be used to manipulate tonal range and contrast, but the HSL/Grayscale controls allow you to create discrimination between objects of the same brightness but with varied colours.

Dodge and Burn. Dodging and burning is a practice that comes from the traditional darkroom and is usually used to burn in or darken highlights and hold back (brighten) shadows. Photoshop’s Dodge and Burn tools allow a level of control that film photographers can only thought of taking a degree of because you can target the highlights, shadows or mid-tones with both. This means that you should use the Burn tool to darken highlights when they are too bright, or the Dodge tool to brighten up them to grow local contrast. It’s a good street of giving a sense of superior sharpness and enhancing texture. Plus, because you can set the opacity of the tools, you can build up her effect gradually so the impact is crafty and there are no hard edges.

Look for Contrast, Shape and Texture. The complimentary and opposing colours that bring a colour image to life are all reduced to black and white or shades of grey in a monochrome image and you have to look for tonal contrast to make a shot stand out. In colour photography, for example, your eye would right now be drawn to a red object on a green background, but in monochrome photography these two areas are likely to have the same brightness, so the image looks flat and dreary straight from the camera. providentially , it’s possible to work adjust the brightness of these two colours singly to introduce some contrast. However, a good starting point is to look for scenes with tonal contrast. There are always exceptions, but as a general rule look for scenes that contain some powerful blacks and whites. This can be achieved by the light or by the brightness (or tone) of the objects in the scene as well as the exposure settings that you use. The brightness of the bark of a silver birch tree for example, can inject some contrast (and interest) in to a woodland scene. Setting the exposure for these brighter areas also makes the shadows darker, so the highlights stand out even more. Look for shapes, patterns and textures in a scene and move around to find the greatest composition.

Use Filters. Graduated neutral density (AKA ND grad) and polarizing filters are simply as advantageous in monochrome photography as they are in colour. In fact, because they manipulate image contrast they are arguably more useful . An ND grad is supportive when you require to retain detail in a bright sky while a polarizing filter can be used to decrease reflections and boost contrast. Alternatively, see taking two or more shots with different exposures to create a high dynamic range (HDR) composite. Don’t be anxious to use a ND grad with a standard neural density filter if the sky is brighter than the foreground in a long exposure shot. Coloured filters, which are an essential tool for monochrome film photographers, could also be advantageous for manipulating contrast in digital images. They work by darkening objects of their opposite colour while lightening objects of his own. An orange filter, for example, will darken the blue of the sky while a green one will lighten foliage.

Try Long Exposure. Long exposure shots can work really well in monochrome photography, especially where there’s moving water or clouds. During the exposure the highlights of the water, for example, are recorded across a wider area than they would with a short exposure and this should help enhance tonal contrast. The blurring of the movement also adds textural contrast with any solid objects in the frame. If necessary , use a neutral density filter such as Lee Filters’ Big Stopper or Little Stopper to decrease exposure and extend shutter speed (by 10 and 4 stops respectively). typically , when exposures extend beyond concerning 1/60 sec a tripod is required to keep the camera still and avoid blurring. It’s also advisable to use a remote release and mirror lock-up to minimise vibration and produce super-sharp images.

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Usually that system works just fine. This image, though, hits some kind of perceptual boundary. That might be because of how people are wired. Human beings evolved to see in daylight, but daylight changes color. That chromatic axis varies from the pinkish red of dawn, up through the blue-white of noontime, and then back down to reddish twilight. “What’s happening here is your visual system is looking at this thing, and you’re trying to discount the chromatic bias of the daylight axis,” says Bevil Conway, a neuroscientist who studies color and vision at Wellesley College. “So people either discount the blue side, in which case they end up seeing white and gold, or discount the gold side, in which case they end up with blue and black.” (Conway sees blue and orange, somehow.)

So when context varies, so will people’s visual perception. “Most people will see the blue on the white background as blue,” Conway says. “But on the black background some might see it as white.” He even speculated, perhaps jokingly, that the white-gold prejudice favors the idea of seeing the dress under strong daylight. “I bet night owls are more likely to see it as blue-black,” Conway says.

Not since Monica Lewinsky was a White House intern has one blue dress been the source of so much consternation.

In the image as presented on, say, BuzzFeed, Photoshop tells us that the places some people see as blue do indeed track as blue. But…that probably has more to do with the background than the actual color. “Look at your RGB values. R 93, G 76, B 50. If you just looked at those numbers and tried to predict what color that was, what would you say?” Conway asks.

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We asked our ace photo and design team to do a little work with the image in Photoshop, to uncover the actual red-green-blue composition of a few pixels. That, we figured, would answer the question definitively. And it came close.

“Right,” says Conway. “But you’re doing this very bad trick, which is projecting those patches on a white background. Show that same patch on a neutral black background and I bet it would appear orange.” He ran it through Photoshop, too, and now figures that the dress is actually blue and orange.

The fact that a single image could polarize the entire Internet into two aggressive camps is, let’s face it, just another Thursday. But for the past half-day, people across social media have been arguing about whether a picture depicts a perfectly nice bodycon dress as blue with black lace fringe or white with gold lace fringe. And neither side will budge. This fight is about more than just social media—it’s about primal biology and the way human eyes and brains have evolved to see color in a sunlit world.

At least we can all agree on one thing: The people who see the dress as white are utterly, completely wrong.

Light enters the eye through the lens—different wavelengths corresponding to different colors. The light hits the retina in the back of the eye where pigments fire up neural connections to the visual cortex, the part of the brain that processes those signals into an image. Critically, though, that first burst of light is made of whatever wavelengths are illuminating the world, reflecting off whatever you’re looking at. Without you having to worry about it, your brain figures out what color light is bouncing off the thing your eyes are looking at, and essentially subtracts that color from the “real” color of the object. “Our visual system is supposed to throw away information about the illuminant and extract information about the actual reflectance,” says Jay Neitz, a neuroscientist at the University of Washington. “But I’ve studied individual differences in color vision for 30 years, and this is one of the biggest individual differences I’ve ever seen.” (Neitz sees white-and-gold.)

02.26.1510:28 pmThe Science of Why No One Agrees on the Color of This Dress

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Even WIRED’s own photo team—driven briefly into existential spasms of despair by how many of them saw a white-and-gold dress—eventually came around to the contextual, color-constancy explanation. “I initially thought it was white and gold,” says Neil Harris, our senior photo editor. “When I attempted to white-balance the image based on that idea, though, it didn’t make any sense.” He saw blue in the highlights, telling him that the white he was seeing was blue, and the gold was black. And when Harris reversed the process, balancing to the darkest pixel in the image, the dress popped blue and black. “It became clear that the appropriate point in the image to balance from is the black point,” Harris says.

The point is, your brain tries to interpolate a kind of color context for the image, and then spits out an answer for the color of the dress. Even Neitz, with his weird white-and-gold thing, admits that the dress is probably blue. “I actually printed the picture out,” he says. “Then I cut a little piece out and looked at it, and completely out of context it’s about halfway in between, not this dark blue color. My brain attributes the blue to the illuminant. Other people attribute it to the dress.”

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