CMYK to Grayscale Converter

Input CMYK Values

Luminosity (Rec. 709)

255
#FFFFFF
rgb(255, 255, 255)
Weights: R: 0.2126, G: 0.7152, B: 0.0722
Description: HDTV standard that accounts for human perception of color
Best for: Digital video, HDTV, and modern image processing

Luminosity (Rec. 601)

255
#FFFFFF
rgb(255, 255, 255)
Weights: R: 0.299, G: 0.587, B: 0.114
Description: Standard for SD television and legacy systems
Best for: Standard definition video and traditional imaging

Average

255
#FFFFFF
rgb(255, 255, 255)
Weights: R: 0.3333, G: 0.3333, B: 0.3333
Description: Simple arithmetic mean of RGB channels
Best for: Basic image processing and quick conversions

Lightness

255
#FFFFFF
rgb(255, 255, 255)
Weights: Special calculation
Description: Average of minimum and maximum RGB values
Best for: Preserving extreme values in artistic conversions

Luminance (sRGB)

255
#FFFFFF
rgb(255, 255, 255)
Weights: R: 0.2627, G: 0.678, B: 0.0593
Description: Accounts for gamma-corrected RGB values
Best for: Web and digital photography with gamma correction

Maximum Decomposition

255
#FFFFFF
rgb(255, 255, 255)
Weights: Special calculation
Description: Uses maximum RGB channel value
Best for: High-key images and artistic effects

Minimum Decomposition

255
#FFFFFF
rgb(255, 255, 255)
Weights: Special calculation
Description: Uses minimum RGB channel value
Best for: Low-key images and artistic effects

About CMYK to Grayscale Conversion

Converting CMYK colors to grayscale is crucial for print design and publishing workflows. This tool first converts CMYK to RGB, then applies various industry-standard grayscale algorithms to provide accurate results for different applications.

Print Considerations:

  • Color-to-grayscale conversion affects contrast
  • Different papers require different approaches
  • Consider dot gain in final output
  • Account for press specifications
  • Maintain readability in conversion

Professional Applications:

  • Commercial Printing
  • Magazine Production
  • Newspaper Publishing
  • Package Design
  • Print Advertising
  • Technical Documentation
  • Corporate Materials