Product Photography Color Theory and Color Management 3

Question 1

What is 'metamerism' in the context of product color accuracy?

Accepted Answer

When two colors appear identical under one light source but different under another

Answer

Metamerism occurs when two surfaces reflect different spectral combinations but appear to match under specific lighting conditions, and diverge under others.

Question 2

What advantage does the L*a*b* (LAB) color model offer for product photo editing?

Accepted Answer

It separates luminosity from color, allowing independent adjustments

Answer

LAB separates the lightness channel (L) from the color channels (a and b), making it easier to adjust tone without affecting color and vice versa.

Question 3

When a product image has a green color cast, which channel adjustment in RGB would most directly correct it?

Accepted Answer

Reduce the green channel or boost the red and blue channels

Answer

A green cast means there is excess green; reducing the green channel or boosting its complementary colors (red and blue) will neutralize it.

Question 4

Why is monitor calibration especially important in a product photography workflow?

Accepted Answer

It ensures the colors you edit are accurately represented, so the client's product colors are correct

Answer

An uncalibrated monitor may display colors inaccurately, causing editors to make adjustments that look correct on screen but are wrong on other devices.

Question 5

A product photo of a red jacket appears correct on your calibrated monitor but looks too orange when printed. What is the most likely cause?

Accepted Answer

The image was not converted to the correct output color profile before printing

Answer

A color shift between screen and print usually means the image was sent to the printer without the appropriate output ICC profile applied.

Product Photography Practice Test

Product Photography Practice Test

Product Photography Color Theory and Color Management 3