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I use the command:

BarChart[{1, 2, 3}, ChartLegends -> {"a", "b", "c"}, 
 ChartStyle -> {Blue, Red, Black}, ChartLayout -> "Stacked", 
 ChartElementFunction -> "GlassRectangle"]

But the result is that the black bin comes out gray:

enter image description here

Using RGBColor or Lighter/Darker did not help. The "GlassRectangle" look is very appealing but I do need it to be black or at least much darker. Any ideas? Many thanks, Dan

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closed as off-topic by Karsten 7., Michael E2, MarcoB, J. M. will be back soon Jul 25 '15 at 2:54

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "This question cannot be answered without additional information. Questions on problems in code must describe the specific problem and include valid code to reproduce it. Any data used for programming examples should be embedded in the question or code to generate the (fake) data must be included." – J. M. will be back soon
If this question can be reworded to fit the rules in the help center, please edit the question.

  • $\begingroup$ Welcome to Mathematica.SE! I suggest the following: 1) As you receive help, try to give it too, by answering questions in your area of expertise. 2) Read the faq! 3) When you see good questions and answers, vote them up by clicking the gray triangles, because the credibility of the system is based on the reputation gained by users sharing their knowledge. Also, please remember to accept the answer, if any, that solves your problem, by clicking the checkmark sign! $\endgroup$ – user9660 Mar 26 '15 at 16:50
  • $\begingroup$ I get a black bar with Mathematica 10.0.2 under Win 7. $\endgroup$ – Karsten 7. Mar 26 '15 at 17:02
  • $\begingroup$ Works as as expected with 10.0.2.0 for Mac OS X x86 (64-bit) (December 4, 2014). $\endgroup$ – user9660 Mar 26 '15 at 17:59
  • $\begingroup$ Works as expected: 10.0.0.0, Windows 8.1 x86-64. $\endgroup$ – 2012rcampion Apr 25 '15 at 20:19
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    $\begingroup$ I'm voting to close this question as off-topic because the problem can't be reproduced by others and the OP doesn't provide the version of OS and Mathematica used. $\endgroup$ – Karsten 7. Jul 24 '15 at 19:27
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On my computer Windows 7, Mathematica 9, your code renders a perfectly black bar! To understand if problem may be OS or Mathematica version related, please specify OS and Mathematica version.

Result of your code on my computer

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  • $\begingroup$ Perfect in Mathematica version 10.1 on a Mac Pro running OS X. $\endgroup$ – David G. Stork May 25 '15 at 18:30

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