G
GIF
Stands for Graphics Interchange Format. GIF images are the most
widely used graphic format on the web. GIF images display up to
256 colors.
Glow
A glow is the opposite of a drop shadow in that it creates a surrounding
highlight of an image. A high radiance creates a soft, subtle glow
and a low radiance creates a hard, bright glow, such as a neon glow.
Gradient
A gradient is a gradual transition of colors. Many metallic images
are gradients. Web images that use gradient fills as a special
effect should be saved in a JPEG rather than a GIF format.
Graphic Backgrounds
The bottom-most layer on a web page, usually with either a design
or color that highlights the above copy. A small graphic can be
tiled to create a background texture for a web page.
Grayscale
An application of black ink (for print) or the color black (for
the screen) that simulates a range of tones. Grayscale images have
no hue (color). In print design, a grayscale graphic image appears
to be black, white, and shades of gray, but it only uses a single
color ink.
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