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<credit type="author">
 <name>Richard Hughes</name>
 <email>richard@hughsie.com</email>
 </credit>
 <credit type="editor">
 <name>Michael Hill</name>
 <email>mdhillca@gmail.com</email>
 </credit>
 <credit type="editor">
 <name>Ekaterina Gerasimova</name>
 <email>kittykat3756@gmail.com</email>
 </credit>

<desc>Calibrating your screen is important to display accurate
 colors.</desc>
 </info>

<title>How do I calibrate my screen?</title>

You can calibrate your screen so that it shows more accurate color. This
 is especially useful if you are involved in digital photography, design or
 artwork.

You will need either a colorimeter or a spectrophotometer to do this. Both
 devices are used to profile screens, but they work in slightly different
 ways.

<steps>
 <item>
 Make sure your calibration device is connected to your computer.
 </item>
 <item>
 Open the <gui xref="shell-introduction#activities">Activities</gui> overview and
 start typing <gui>Settings</gui>.
 </item>
 <item>
 Click on <gui>Settings</gui>.
 </item>
 <item>
 Click <gui>Color</gui> in the sidebar to open the panel.
 </item>
 <item>
 Select your screen.
 </item>
 <item>
 Press <gui style="button">Calibrate…</gui> to commence the
 calibration.
 </item>
 </steps>

Screens change all the time: the backlight in a TFT display will halve in
 brightness approximately every 18 months, and will get yellower as it gets
 older. This means you should recalibrate your screen when the [!] icon
 appears in the <gui>Color</gui> panel.

LED screens also change over time, but a much slower rate than TFTs.

</page>