Adobe photoshop elements Manual De Usuario

CHAPTER 3

Saturation, sometimes called chroma, is the 

strength or purity of the color. Saturation repre-
sents the amount of gray in proportion to the hue, 
measured as a percentage from 0% (gray) to 100% 
(fully saturated). On the standard color wheel, 
saturation increases from the center to the edge.

Brightness is the relative lightness or darkness of 

the color, usually measured as a percentage from 
0% (black) to 100% (white).

Although you can use the HSB model in 
Photoshop Elements to define a color in the Color 
Picker dialog box, there is no HSB mode available 
for creating and editing images.

A large percentage of the visible spectrum can be 
represented by mixing red, green, and blue (RGB) 
colored light in various proportions and inten-
sities. Where the colors overlap, they create cyan, 
magenta, yellow, and white.

Because the RGB colors combine to create white, 
they are also called additive colors. Adding all 
colors together creates white—that is, all light is 
transmitted back to the eye. Additive colors are 
used for lighting, video, and monitors. Your 
monitor, for example, creates color by emitting 
light through red, green, and blue phosphors.

Photoshop Elements provides several color modes 
for displaying and printing images. The color 
mode you choose determines the number of colors 
that can be displayed in an image and can also 
affect the file size of the image.

Photoshop Elements provides four color modes: 
RGB, Bitmap, Grayscale, and Indexed color.

RGB is the default mode for new 

Photoshop images. It uses the RGB color model to 
assign an intensity value to each pixel ranging 
from 0 (black) to 255 (white) for each of the RGB 
components in a color image. For example, 
a bright red color might have an R value of 246, 

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