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<p>[QUOTE="messydesk, post: 5168433, member: 1765"]"Closer" is a strange term to apply, since it implies that you know what the true color is. If you have a daylight-balanced light source, your eyes are about as true as you can get. Unless, of course, you have some sort of color-blindness. If you're using a tungsten-balanced light, you've just introduced a color cast that your brain gets used to and compensates for -- a little. Cameras see color a little differently, in that they have a much narrower dynamic range they can see. If you look at DSLR specs, you'll see the detectors rated at a range of EV (Exposure Values) in which they can produce meaningful data. Your eye can see a wider range than most. Your brain also knows how to resolve better shadow and highlight detail simultaneously than a camera detector can -- sort of an adaptive HDR.</p><p><br /></p><p>Once the camera has taken the picture, it has to be presented to your eye again. This involves a fairly long imaging chain -- detector raw to a viewable image, viewable image to viewing software, viewing software to display, display to eye. Every one of those links in the chain entails some sort of color conversion. The biggest is the raw data to a color space that can be represented as a viewable image. These color spaces include Adobe RGB, sRGB, RGB, all of which have a smaller viewable color gamut than the eye can pick up (think neon highlighters). This image illustrates the size of the color space you can see and that a viewable image can represent. A camera detector can be yet another color gamut that isn't shown here.</p><p><img src="https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fi.pinimg.com%2Foriginals%2Fba%2F6a%2F88%2Fba6a8842380f7d3df11b35a0a5c647f1.png&f=1&nofb=1" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p>Of course, this image is an sRGB image representing the visible spectrum, so it physically <i>can't</i> show you the differences in what you can see, just that you can see more colors than an image can hold.</p><p><br /></p><p>Going from the viewable image to the viewing software, there's this little thing called "color management." This is how the software decodes an image to be sent to the display hardware, mapping it to a displayable set of colors. Believe it or not, different software handles this differently. If you consider that sRGB is a rather small part of the color space, viewing software (think web browsers) can have its own color management profile to do this translation. It is usually very subtle, but often noticeable. As an exercise, open Chrome and Edge and look at a the same brown large cent in both side by side. You may notice a slight difference, you may not. If you don't, it could be that the display you're using doesn't show the difference. Displays need to be calibrated a standard to give you anything close to the true colors of the image, which by now are actually just the colors the color management profile had indicated are to be displayed. If your monitor is a good one, it supports about 100% of the sRGB gamut. There are wide gamut monitors that can display more, but those only make sense if the color management profile permit those colors to actually reach the display. If your monitor displays less than 100% of the sRGB gamut, you will lose color information. Inexpensive laptops and monitors typically show less than 80%. On top of that, they tend not to be accurately calibrated, and not just in terms of a simple, "rigid" blue or yellow shift that could be corrected with the hue button on your monitor. Maybe the bright reds are too dark, the middle reds are too light, and the dark reds are just right. Trying a single adjustment will not make them all better. Color calibration tools will actually read the monitor's output and create a new color map that's given to the display adapter to help the monitor produce "true" colors. Of course, if you've read this far, you know that "true" set sail a long time ago.</p><p><br /></p><p>So, while humans tend to see slightly different colors than each other, it still tends to be better than you'll see from a photo, because of the visible color spectrum being larger than usable color gamuts and all the color conversions that are done along the way from the detector to your eye.[/QUOTE]</p><p><br /></p>
[QUOTE="messydesk, post: 5168433, member: 1765"]"Closer" is a strange term to apply, since it implies that you know what the true color is. If you have a daylight-balanced light source, your eyes are about as true as you can get. Unless, of course, you have some sort of color-blindness. If you're using a tungsten-balanced light, you've just introduced a color cast that your brain gets used to and compensates for -- a little. Cameras see color a little differently, in that they have a much narrower dynamic range they can see. If you look at DSLR specs, you'll see the detectors rated at a range of EV (Exposure Values) in which they can produce meaningful data. Your eye can see a wider range than most. Your brain also knows how to resolve better shadow and highlight detail simultaneously than a camera detector can -- sort of an adaptive HDR. Once the camera has taken the picture, it has to be presented to your eye again. This involves a fairly long imaging chain -- detector raw to a viewable image, viewable image to viewing software, viewing software to display, display to eye. Every one of those links in the chain entails some sort of color conversion. The biggest is the raw data to a color space that can be represented as a viewable image. These color spaces include Adobe RGB, sRGB, RGB, all of which have a smaller viewable color gamut than the eye can pick up (think neon highlighters). This image illustrates the size of the color space you can see and that a viewable image can represent. A camera detector can be yet another color gamut that isn't shown here. [IMG]https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fi.pinimg.com%2Foriginals%2Fba%2F6a%2F88%2Fba6a8842380f7d3df11b35a0a5c647f1.png&f=1&nofb=1[/IMG] Of course, this image is an sRGB image representing the visible spectrum, so it physically [I]can't[/I] show you the differences in what you can see, just that you can see more colors than an image can hold. Going from the viewable image to the viewing software, there's this little thing called "color management." This is how the software decodes an image to be sent to the display hardware, mapping it to a displayable set of colors. Believe it or not, different software handles this differently. If you consider that sRGB is a rather small part of the color space, viewing software (think web browsers) can have its own color management profile to do this translation. It is usually very subtle, but often noticeable. As an exercise, open Chrome and Edge and look at a the same brown large cent in both side by side. You may notice a slight difference, you may not. If you don't, it could be that the display you're using doesn't show the difference. Displays need to be calibrated a standard to give you anything close to the true colors of the image, which by now are actually just the colors the color management profile had indicated are to be displayed. If your monitor is a good one, it supports about 100% of the sRGB gamut. There are wide gamut monitors that can display more, but those only make sense if the color management profile permit those colors to actually reach the display. If your monitor displays less than 100% of the sRGB gamut, you will lose color information. Inexpensive laptops and monitors typically show less than 80%. On top of that, they tend not to be accurately calibrated, and not just in terms of a simple, "rigid" blue or yellow shift that could be corrected with the hue button on your monitor. Maybe the bright reds are too dark, the middle reds are too light, and the dark reds are just right. Trying a single adjustment will not make them all better. Color calibration tools will actually read the monitor's output and create a new color map that's given to the display adapter to help the monitor produce "true" colors. Of course, if you've read this far, you know that "true" set sail a long time ago. So, while humans tend to see slightly different colors than each other, it still tends to be better than you'll see from a photo, because of the visible color spectrum being larger than usable color gamuts and all the color conversions that are done along the way from the detector to your eye.[/QUOTE]
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