{Digital Photography} Checkpoint 19/23: Color

What is the greatest advantage of the RGB color model?

It has a very large range of colors.

What is true about the CMYK color model?

It uses pigments or dyes to selectively absorb light. It is considered a subtractive color model.

What is the greatest advantage of the CMYK model?

It uses the four colors of ink.

Match each statement with the color model for which it is true.

CMYK: Uses precentages to measure intensity for different process color values LAB: Separates light and color values completely into different channels RGB: Measures values for different channels by intensity ranging from 0 to 255

When would the LAB color model be most useful?

when an image has to display the same on several types of devices

What color is produced by combining red and green in the RGB color model?

yellow

In the CMYK model, white is produced when all channels have what value?

0

In the RGB model, white is produced when all channels have what value?

255

Which statements are true about the RGB color model?

Combining all three colors will create white. It represents how the three colors of light combine.

The grayscale model is typically used for which purpose?

INCORRECT: black-and-white photography TRY: newspaper printing

What color is produced by combining only cyan and magenta in the CMYK color model?

blue

A photograph should be saved using the CMYK mode when it will be used for which purpose?

on a poster in a newspaper

A photograph should be saved using the RGB mode when it will be used for which purpose?

on a website

When is the CMYK model typically used?

for color printing

When is the RGB color model typically used?

for digital display