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Difference between revisions of "Colour Profiles"
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Colour temperature is important as artificial light and natural light behave in completely different ways. Natural light colour temperature varies throughout the day, being "warmer" at sunset and sunrise, colder at midday and relatively balanced in the rest of the time. Note that the presence of clouds, fog or clear sky also alters the colour temperature, clouds and fog making the colour temperature rise while a clear sky lowers slightly the colour temperature. | Colour temperature is important as artificial light and natural light behave in completely different ways. Natural light colour temperature varies throughout the day, being "warmer" at sunset and sunrise, colder at midday and relatively balanced in the rest of the time. Note that the presence of clouds, fog or clear sky also alters the colour temperature, clouds and fog making the colour temperature rise while a clear sky lowers slightly the colour temperature. | ||
====Daylight colour, the D65 standard==== | |||
You may wonder why colour temperature is important. The reason is very simple: ideally, you should be able to see your image in the same condition it was taken in, and edit it while you experience the same conditions. Our eyes adapt well to different conditions while cameras, displays and any device does not do so by default or does not act as seamlessly. It is obvious that this is not possible to fully reproduce. In most circumstances, you have to consider a typical editing and image viewing condition that considers a daylight setting, at a colour temperature of around 65000 Kelvin. This means that your display must not be overly dim, have altered colour saturation or major distortions that influence the end results. For a good measure the picture has to be still visible and look reasonably well in intense and dim light situations. | You may wonder why colour temperature is important. The reason is very simple: ideally, you should be able to see your image in the same condition it was taken in, and edit it while you experience the same conditions. Our eyes adapt well to different conditions while cameras, displays and any device does not do so by default or does not act as seamlessly. It is obvious that this is not possible to fully reproduce. In most circumstances, you have to consider a typical editing and image viewing condition that considers a daylight setting, at a colour temperature of around 65000 Kelvin. This means that your display must not be overly dim, have altered colour saturation or major distortions that influence the end results. For a good measure the picture has to be still visible and look reasonably well in intense and dim light situations. | ||
<code>''The 6500 Kelvin colour temperature is a standard that has to be remembered, a reference for your creations. While many devices may not have, be configured for or allow such conditions, it is expected that in places that matter, such as exhibitions, on professional equipment, you have to be experienced in reaching it.''</code> | <code>''The 6500 Kelvin colour temperature is a standard that has to be remembered, a reference for your creations. While many devices may not have, be configured for or allow such conditions, it is expected that in places that matter, such as exhibitions, on professional equipment, you have to be experienced in reaching it.''</code> | ||
===Colour profile use=== | ===Colour profile use=== | ||