Ricoh AP3850C Instrukcja Obsługi Strona 165

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A
A-1 Desktop Color Primer
This appendix covers concepts basic to printing in color, including:
Properties of color
Printing techniques
Using color effectively
Raster images and vector images
Optimizing files for processing and printing
If you are already familiar with color theory and digital color printing, refer to the last
section (“Optimizing files for processing and printing” on page A-10) for tips on
optimizing files for printing.
The properties of color
This section introduces concepts that are basic to color theory. You will encounter
some of these concepts (such as hue, saturation, and brightness) when you work with
color in applications; others provide useful background information. Color is a complex
topic, so consider this a starting point for experimentation and further research.
The physics of color
The human eye can see electromagnetic radiation at wavelengths between 400
nanometers (purplish blue) and 700 nanometers (red). This range is called the visible
spectrum of light. We see pure spectral light as intensely saturated or pure colors.
Sunlight at midday, which we perceive as white or neutral light, is composed of light
from across the visible spectrum in more or less equal proportions. Shining sunlight
through a prism separates it into its spectral components, resulting in the familiar
rainbow of colors (color example 1).
Appendix A:
Desktop
Color Primer
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