Product Photography Color Theory and Color Management 1 — Questions and Answers
Question 1: What unit is used to measure color temperature in photography?
- Lumens
- Kelvin (Correct answer)
- Candela
- Watt
Correct answer: Kelvin
Color temperature is measured in Kelvin (K), describing the warmth or coolness of a light source.
Question 2: A light source with a color temperature of 2700K would appear:
- Blue and cool
- Neutral white
- Warm and orange-yellow (Correct answer)
- Bright green
Correct answer: Warm and orange-yellow
Low Kelvin values (around 2700K) produce warm, orange-yellow light, typical of incandescent bulbs.
Question 3: Which color space is the standard for images displayed on websites and e-commerce platforms?
- Adobe RGB
- ProPhoto RGB
- sRGB (Correct answer)
- CMYK
Correct answer: sRGB
sRGB is the standard color space for web and e-commerce use, as it is compatible with virtually all monitors and browsers.
Question 4: What is the complementary color to orange on the color wheel?
- Yellow
- Red
- Green
- Blue (Correct answer)
Correct answer: Blue
Blue is directly opposite orange on the color wheel, making it orange's complementary color.
Question 5: What is the primary purpose of using a gray card in product photography?
- To measure ambient light levels
- To provide a neutral reference for setting white balance (Correct answer)
- To test lens sharpness
- To calibrate studio flash power
Correct answer: To provide a neutral reference for setting white balance
A gray card provides a known neutral tone that cameras and editing software can use to accurately set white balance.
Question 6: In the RGB color model, what color is produced when red, green, and blue are all at maximum intensity?
- Gray
- Black
- Yellow
- White (Correct answer)
Correct answer: White
Combining red, green, and blue at full intensity produces white light, as RGB is an additive color model.
Question 7: Which color model is used for commercial printing of product packaging?
- RGB
- HSL
- CMYK (Correct answer)
- LAB
Correct answer: CMYK
CMYK (Cyan, Magenta, Yellow, Key/Black) is the subtractive color model used in commercial printing.
Product Photography Color Theory and Color Management 1
What unit is used to measure color temperature in photography?