Tyrian_purple_on_grayscale.jpg
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Summary
| Description | 6,6'-dibromoindigo (the main component of Tyrian purple) photographed against 18% gray card and color control patches from my antique color dataguide. |
| Date | 17 July 2007 (original upload date) |
| Source | Transferred from en.wikipedia to Commons. |
| Author | Brochis at English Wikipedia |
Licensing
|
This work has been released into the
public domain
by its author,
Brochis
at
English Wikipedia
. This applies worldwide.
In some countries this may not be legally possible; if so: Brochis grants anyone the right to use this work for any purpose , without any conditions, unless such conditions are required by law. |
Original upload log
The original description page was
here
. All following user names refer to en.wikipedia.
- 2007-07-17 04:44 Brochis 1688×1348×8 (248864 bytes) 6,6'-dibromoindigo (the main component of Tyrian purple) photographed against 18% gray card and color control patches from my antique Kodak color dataguide.