official Sepia tone

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myspacee
Posts: 153
Joined: 2007-06-14T02:09:35-07:00

official Sepia tone

Post by myspacee »

Hello,
is there any ISO-standard sepia effect tone ?

See in many examples that sepia image conversion use: -sepia-tone 80%

can you recommend at least two good switch to obtain sepia image ?
(eg: antiqua)

thank you,
m.
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fmw42
Posts: 25562
Joined: 2007-07-02T17:14:51-07:00
Authentication code: 1152
Location: Sunnyvale, California, USA

Re: official Sepia tone

Post by fmw42 »

see -tint also (duotone) etc at

http://www.imagemagick.org/Usage/color_mods/#tinting
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anthony
Posts: 8883
Joined: 2004-05-31T19:27:03-07:00
Authentication code: 8675308
Location: Brisbane, Australia

Re: official Sepia tone

Post by anthony »

I don't believe there is a 'standard'. sepia tone was originally a chemical process, and the results were highly variable on the chemicals and strengths used.
Anthony Thyssen -- Webmaster for ImageMagick Example Pages
https://imagemagick.org/Usage/
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