Epson 11880 Fine Art Printer Print in Rgb or Cmyk?

What is colour space and why does information technology matter? In Part ane, we talked virtually the basic tools needed in fine fine art printing. Role 2 volition take united states into the world of colour space and the way it impacts our perception and reproduction of colour during printing.

What is a color space?

Think of a color space equally a library of colours. In that location is a library of colours for visible light (Red, green and blue, hence RGB) and a library for printed colours (Cyan, Magenta, Yellow and Black, hence CMYK).

RGB and CMYK libraries share many mutual secondary colours in their collection, just some colours are unique to each library. Accuracy in color reproduction can be affected when we capture images with our DSLR using the visible light library, and print using the printed colour library – which is often limited by the number of ink colours used past a particular printer.

What is RGB color space?

RGB simply stands for Crimson, Light-green and Blue calorie-free. Visible light, be it from the dominicus or your lamp, is fabricated up of these 3 colours. Information technology is the combination of these iii bones colours that makes upwards the entire spectrum of secondary colours. This commodity when viewed on your calculator display or smartphone, is displayed using colours from the sRGB color space – 1 of the RGB libraries.

In the previous commodity about INTRODUCTION TO Fine art Printing, we ascertained that a digital brandish is typically a sixteen-bit RGB device and tin can display colours from a palette of 16.8 1000000 colours. Still, your eyes are able to discern a wider range of colours than those shown on the sRGB colour space on screen. Nonetheless, to maintain colour reproduction consistency with the millions of sRGB digital displays and online sharing of images, the world at large adheres to a mutual sRGB standard, so as to avert color reproduction problems that occur when converting from ane colour space to another.

This mutual sRGB standard, or colour space, is what allows digital displays to understand epitome data that is stored on an SD carte, captured by a digital camera.

Choosing between sRGB and Adobe RGB colour infinite

For the purpose of fine-art printing where colour accuracy is of the utmost importance, it is advisable to set the in-photographic camera colour space to Adobe RGB via the photographic camera's bill of fare arrangement. Adobe RGB is the preferred colour space for capturing images for fine art prints, equally it has a significantly wider colour range – approximately 35% more than sRGB.

In the previous commodity, nosotros take as well emphasized the importance of shooting in the camera manufacturer's RAW file format every bit it retains all the information captured by the camera's sensor. The combination of shooting a scene in Adobe RGB space and RAW format, allows the downline manipulation of imaging data without loss of information, somewhen assuasive professional person printers such as the Canon imagePROGRAF PRO-500 to produce enhanced colour results and smoother gray tones.

What is CMYK color space?

The printed color infinite, all the same, uses a dissimilar colour modeling system, component colours and therefore a different colour space.

An entry-level colour printer typically uses the combination of 4 color inks – Cyan, Magenta, Yellow and Black – to create the wide range of secondary colour on newspaper. Each colour can be adapted in intensity from null to a hundred percent. For example, a bright red might contain 2% cyan, 93% magenta, 90% xanthous, and 0% black.

A fine art printer similar the Canon imagePROGRAF PRO-500 uses a 12-ink system with 4 monochromatic inks. Every bit you lot tin imagine, the range of color possibilities far exceeds of ordinary inkjet printers and will truly reflect the colour allegiance of the captured scene.

Getting the RGB and CMYK color space to work together

A rainbow looks amazing when captured with a DSLR and viewed on a digital display. However, the colours of a rainbow captured in RGB colour space, may not be accurately printed on a printer that uses the CMYK printing procedure. This is considering the colours that are projected from a existent rainbow lies outside the range or gamut of the CMYK colour organisation.

Similarly, at that place are colours that can be reproduced on your digital displays such every bit orange hues that CMYK printers will find difficult to reach.

The diagram below shows the difference in the range of colours displayed by sRGB, Adobe RGB and CMYK colour space.

So how exercise we alienation the gaps betwixt these colour spaces during the colour printing process? Simply past using an independent colour description standard called the CIE color space.

CIE colour space objectively describes any colour from the perspective of the human middle. For instance, the way the center perceives the color indigo or maroon, tin can be mathematically referenced in the CIE color space. The CIE value for indigo or maroon is an objective way of identifying color that both RGB and CMYK devices can make reference to. By mathematically describing a colour in the way our optics run across, the color conversion procedure from RGB colour devices (east.g. a DSLR camera) to CMYK colour devices (eastward.thousand. a printer) becomes more reliable and consistent.

In our next article, we volition expect at how the use of colour profiles makes fine fine art press possible.

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Source: https://snapshot.canon-asia.com/ph/article/eng/introduction-to-fine-art-printing-part-2

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