pbn9Gray

Fred Kuo
Content rating
Everyone
1+
Downloads
Content rating
Everyone
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About this app

Use three grays plus CMYK100 and K50 to obtain a color evaluation (requires use with CR30).
To obtain a color evaluation, add CMYK100 and K50 to the three grays.
Updated on
Apr 17, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection

What’s new

1.3
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Content rating
Everyone
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App support

Phone number
+886936069949
About the developer
郭世隆
fredkuo.mail@gmail.com
景行里18鄰景興路202巷17號四樓之2 文山區 台北市, Taiwan 11669

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