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<span style="color: #333">Ubuntu 21.10</span> » <a class="trail" href="index.html.kn" title="Ubuntu Desktop Guide"><span class="media"><span class="media media-image"><img src="figures/ubuntu-logo.png" height="16" width="16" class="media media-inline" alt="Help"></span></span> Ubuntu Desktop Guide</a> » <a class="trail" href="hardware.html.kn" title="Hardware & drivers">Hardware</a> » <a class="trail" href="color.html.kn" title="Color management">Color</a> › <a class="trail" href="color.html.kn#problems" title="Problems">Problems</a> » </div>
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<span style="color: #333">Ubuntu 21.10</span> » <a class="trail" href="index.html.kn" title="Ubuntu Desktop Guide"><span class="media"><span class="media media-image"><img src="figures/ubuntu-logo.png" height="16" width="16" class="media media-inline" alt="Help"></span></span> Ubuntu Desktop Guide</a> » <a class="trail" href="prefs.html.kn" title="User & system settings">ಸಿದ್ಧತೆಗಳು</a> » <a class="trail" href="color.html.kn" title="Color management">Color</a> › <a class="trail" href="color.html.kn#problems" title="Problems">Problems</a> » </div>
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<div class="hgroup pagewide"><h1 class="title"><span class="title">How do I test if color management is working correctly?</span></h1></div>
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<div class="contents pagewide">
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<p class="p">The effects of a color profile are sometimes subtle and it may be hard to
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see if anything much has changed.</p>
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<p class="p">The system comes with several profiles for testing that make it very clear
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when the profiles are being applied:</p>
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<div class="terms"><div class="inner"><div class="region"><dl class="terms">
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<dt class="terms">Blue</dt>
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<dd class="terms"><p class="p">This will turn the screen blue and tests if the calibration curves are
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being sent to the display.</p></dd>
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</dl></div></div></div>
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<div class="steps"><div class="inner"><div class="region"><ol class="steps">
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<li class="steps"><p class="p">Open the <span class="gui"><a href="shell-introduction.html.kn#activities" title="Activities overview">Activities</a></span> overview and
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start typing <span class="gui">Settings</span>.</p></li>
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<li class="steps"><p class="p">Click on <span class="gui">Settings</span>.</p></li>
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<li class="steps"><p class="p">Click <span class="gui">Color</span> in the sidebar to open the panel.</p></li>
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<li class="steps"><p class="p">Select the device for which you want to add a profile. You may wish to
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make a note of which profile is currently being used.</p></li>
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<li class="steps"><p class="p">Click <span class="gui">Add profile</span> to select a test profile, which should be
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at the bottom of the list.</p></li>
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<li class="steps"><p class="p">Press <span class="gui">Add</span> to confirm your selection.</p></li>
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<li class="steps"><p class="p">To revert to your previous profile, select the device in the
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<span class="gui">Color</span> panel, then select the profile that you were using
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before you tried one of the test profiles and press <span class="gui">Enable</span> to
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use it again.</p></li>
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</ol></div></div></div>
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<p class="p">Using these profiles, you can clearly see when an application supports
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color management.</p>
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<div class="contents pagewide">
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<div class="title"><h2><span class="title">ಇನ್ನಷ್ಟು ಮಾಹಿತಿ</span></h2></div>
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<div class="region"><ul><li class="links "><a href="color.html.kn#problems" title="Problems">Problems</a></li></ul></div>
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<div class="links seealsolinks"><div class="inner">
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<div class="title"><h2><span class="title">ಇದನ್ನೂ ಸಹ ನೋಡಿ</span></h2></div>
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<div class="region"><ul><li class="links ">
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<a href="color-gettingprofiles.html.kn" title="Where do I get color profiles?">Where do I get color profiles?</a><span class="desc"> — Color profiles are provided by vendors and can be generated yourself.</span>
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<p>The material in this document is available under a free license, see <a href="../../legal.html">Legal</a> for details.<br>
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For information on contributing see the <a href="https://wiki.ubuntu.com/DocumentationTeam">Ubuntu Documentation Team wiki page</a>.
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