GCM 738 Lecture Notes - Lecture 5: Cmyk Color Model, Cyan

• School: Ryerson University
• Department: Graphic Communications
• Course: GCM 738
• Professor: Richard Adams

Document Summary

99% of all customer complaints about printing are related to skin tones. Click on the eyedropper tool, and you"ll see cmyk ignore rgb. Never let the yellow % fall below magenta % Fair skinned caucasian adult: 20% magenta, 25% yellow. Asian and hispanic will typically have 10% - 20% higher yellow than magenta. Cyan falls between 30%- 50% of the magenta value. More than 50% of magenta makes them ghostly blue. Choose the blue channel from the channel drop-down menu. Input levels, change the center one to 0. 90. Choose the red channel from the drop-down menu. Correcting skin color/skin tones: age, ethnicity, and tonal variations: cyan = yellow, magenta + (0-10) = yellow, black values rarely exceed 0. Adult caucasian skin (typical cmyk ratios: cyan = 1/5 1/3 yellow, magenta + (3-10) = yellow. Child/baby caucasian skin (typical cmyk ratios: cyan = 1/6 1/4 yellow, magenta + (0-5) = yellow, lower cmyk values overall (vs.