blocks|key|3121021|text|gpick|type|header-two|depth|inlineStyleRanges|entityRanges|data|3121022|奇怪的是，您无法安装gpick，因为我得到了以下内容：|unstyled|offset|length|style|CODE|3121023|apt-cache+search+gpick
gpick+-+advanced+GTK%2B+color+picker|code-block|syntax|javascript|3121024|我想它可能在一个你目前还没有启用的源中。|3121025|要选择一种颜色，启动pick，在样本上单击，然后当鼠标悬停在您想要记录的颜色上时按下空格。|3121026|📷|atomic|3121027|gcolor2|3121028|(在Ubuntu+19.04%2B中不再提供)|3121029|这是说简单的颜色选择，我更喜欢gcolor2+-好和简单的使用，应该做完全你需要。|3121030|您可以使用以下命令安装它：|3121031|sudo+apt-get+install+gcolor2|3121032|gcolor3|3121033|gcolor2不再存在于Ubuntu存储库中，而是被gcolor3所取代。|3121034|3121035|3121036|sudo+apt-get+install+gcolor3|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://i.stack.imgur.com/j2AhM.png|imageAlt|1|https://i.stack.imgur.com/L6RAV.png^0|0|A|5|0|0|0|0|0|1|0|0|0|0|F|7|0|0|0|0|0|0|1|1|0|0^^$0|@$1|2|3|4|5|6|7|1M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|1N|8|@$E|1O|F|1P|G|H]]|9|@]|A|$]]|$1|I|3|J|5|K|7|1Q|8|@]|9|@]|A|$L|M]]|$1|N|3|O|5|D|7|1R|8|@]|9|@]|A|$]]|$1|P|3|Q|5|D|7|1S|8|@]|9|@]|A|$]]|$1|R|3|S|5|T|7|1T|8|@]|9|@$E|1U|F|1V|1|1W]]|A|$]]|$1|U|3|V|5|6|7|1X|8|@]|9|@]|A|$]]|$1|W|3|X|5|D|7|1Y|8|@]|9|@]|A|$]]|$1|Y|3|Z|5|D|7|1Z|8|@$E|20|F|21|G|H]]|9|@]|A|$]]|$1|10|3|11|5|D|7|22|8|@]|9|@]|A|$]]|$1|12|3|13|5|K|7|23|8|@]|9|@]|A|$L|M]]|$1|14|3|15|5|6|7|24|8|@]|9|@]|A|$]]|$1|16|3|17|5|D|7|25|8|@]|9|@]|A|$]]|$1|18|3|S|5|T|7|26|8|@]|9|@$E|27|F|28|1|29]]|A|$]]|$1|19|3|11|5|D|7|2A|8|@]|9|@]|A|$]]|$1|1A|3|1B|5|K|7|2B|8|@]|9|@]|A|$L|M]]]|1C|$1D|$5|1E|1F|1G|A|$1H|1I|1J|-4]]|1K|$5|1E|1F|1G|A|$1H|1L|1J|-4]]]]

<h1>gpick</h1>
That's strange that you couldn't install <code>gpick</code>, as I get the following :
<pre><code>apt-cache search gpick
gpick - advanced GTK+ color picker
</code></pre>
I suppose it could be in a source that you currently don't have enabled..
To pick a colour, launch Gpick, lcick on the swatch, and then press space when your mouse hovers over the colour you want to record.
<a href="https://i.stack.imgur.com/j2AhM.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/j2AhM.png" alt="enter image description here" /></a>
<h1>gcolor2</h1>
(not anymore available in Ubuntu 19.04+)
That being said for simple colour picking I prefer <code>gcolor2</code> - Nice and simple to use and should do exactly what you require.
You can install it with following command:
<pre><code>sudo apt-get install gcolor2
</code></pre>
<h1>gcolor3</h1>
gcolor2 is not on the Ubuntu repositories anymore, and has been replaced with gcolor3.
<img src="https://i.stack.imgur.com/L6RAV.png" alt="gcolor3" />
You can install it with following command:
<pre><code>sudo apt-get install gcolor3
</code></pre>

blocks|key|3121062|text|我喜欢使用agave软件。这是一个简单的软件，给你的颜色组合，它有一个颜色选择器。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3121063|sudo+apt-get+install+agave|code-block|syntax|javascript|3121064|值得一试！|3121065|问候|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|M|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|N|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|O|8|@]|9|@]|A|$]]]|K|$]]

I like to use the software agave. It's a simple software that gives your color combinations, and it has a color picker.

<pre><code>sudo apt-get install agave
</code></pre>

Worth give it a try!

Regards

blocks|key|3121460|text|grabc是它能得到的最简单的。生成一个光标，当您单击stdout时输出颜色。纯粹的Unix方式。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|3121461|$+grabc
#f47276
244,114,118|code-block|syntax|javascript|3121462|要安装它，请运行sudo+apt+install+grabc。|entityMap^0|0|5|0|0|8|M^^$0|@$1|2|3|4|5|6|7|N|8|@$9|O|A|P|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|Q|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|R|8|@$9|S|A|T|B|C]]|D|@]|E|$]]]|M|$]]

<code>grabc</code> is as simple as it can get. Spawns a cursor, outputs color on stdout when you click. Pure Unix way.
<pre><code>$ grabc
#f47276
244,114,118
</code></pre>
To install it, run <code>sudo apt install grabc</code>.

blocks|key|1138875|text|HTML5+5‘S+标签有一个内置于所有现代浏览器(一些截图)的本地颜色选择器。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1138876|在浏览器的地址栏中输入以下内容：|1138877|data:text/html,<input+type="color"+/>|code-block|syntax|javascript|1138878|然后单击呈现按钮。供以后使用的书签。离线工作。|1138879|(从技术上讲，这既不是一个专用的应用程序，也不是特定于GNOME的应用程序；这可能正是关键所在:不需要安装)|entityMap|0|LINK|mutability|MUTABLE|url|https://developer.mozilla.org/en-US/docs/Web/HTML/Element/Input/color|1|https://stackoverflow.com/a/8339827/15347451^0|A|2|0|S|2|1|0|0|0|0^^$0|@$1|2|3|4|5|6|7|X|8|@]|9|@$A|Y|B|Z|1|10]|$A|11|B|12|1|13]]|C|$]]|$1|D|3|E|5|6|7|14|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|15|8|@]|9|@]|C|$I|J]]|$1|K|3|L|5|6|7|16|8|@]|9|@]|C|$]]|$1|M|3|N|5|6|7|17|8|@]|9|@]|C|$]]]|O|$P|$5|Q|R|S|C|$T|U]]|V|$5|Q|R|S|C|$T|W]]]]

There's a native color picker for HTML5's <a href="https://developer.mozilla.org/en-US/docs/Web/HTML/Element/Input/color" rel="nofollow noreferrer"><code>&lt;input&gt;</code> tag</a> built into all modern browsers (some <a href="https://stackoverflow.com/a/8339827/15347451">screenshots</a>).
Enter this in browser's URL bar:
<pre><code>data:text/html,&lt;input type=&quot;color&quot; /&gt;
</code></pre>
and click on the rendered button. Bookmark for later use. Works offline.
(Technically, this is neither a dedicated app, nor GNOME-specific; which might exactly be the point: no install needed)

blocks|key|3121610|text|以下是X11本机解决方案|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3121611|不需要任何外部包，如Agave、Gpick或Grabc等(就像所有现有的解决方案一样)。|unordered-list-item|3121612|它也不局限于网页(比如基于浏览器的答案)|3121613|只需运行xmag。在其手册页上：|offset|length|style|CODE|3121614|xmag程序允许您放大X屏幕的部分。|3121615|通过按Button+2，可以将该区域拖出所需的大小。|3121616|一旦选定了某个区域，就会弹出一个窗口，该窗口显示该区域的一个放大版本，其中源图像中的每个像素都由一个相同颜色的小方格表示。|3121617|“在放大窗口中按下Button1显示指针下像素的位置和RGB值，直到按钮被释放”--这是颜色选择器的X11本机解决方案。|entityMap^0|0|0|0|4|4|0|0|4|0|0|0^^$0|@$1|2|3|4|5|6|7|V|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|W|8|@]|9|@]|A|$]]|$1|E|3|F|5|D|7|X|8|@]|9|@]|A|$]]|$1|G|3|H|5|6|7|Y|8|@$I|Z|J|10|K|L]]|9|@]|A|$]]|$1|M|3|N|5|D|7|11|8|@$I|12|J|13|K|L]]|9|@]|A|$]]|$1|O|3|P|5|D|7|14|8|@]|9|@]|A|$]]|$1|Q|3|R|5|D|7|15|8|@]|9|@]|A|$]]|$1|S|3|T|5|D|7|16|8|@]|9|@]|A|$]]]|U|$]]

Here is the X11 native solution that
<ul>
<li>doesn't require any external packages like Agave, Gpick, or Grabc etc (like all existing solutions).</li>
<li>and it doesn't limit to web pages (like the browser based answer) either</li>
</ul>
Just run <code>xmag</code>. From its man page:
<ul>
<li>The <code>xmag</code> program allows you to magnify portions of an X screen.</li>
<li>The area can be dragged out to the desired size by pressing Button 2.</li>
<li>Once a region has been selected, a window is popped up showing a blown up version of the region in which each pixel in the source image is represented by a small square of the same color.</li>
<li>&quot;Pressing Button1 in the enlargement window shows the position and RGB value of the pixel under the pointer until the button is released&quot; -- this, is the X11 native solution for Color Picker.</li>
</ul>

blocks|key|3121391|text|我推荐GPick：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3121392|sudo+apt-获取安装gpick|3121393|应用程序->图形学->+GPick|3121394|它比gcolor2有更多的功能，但使用起来还是非常简单的--点击其中一个六角图，将鼠标移动到屏幕上你想要选择的颜色上，然后按空格键将其添加到你的观察列表中。|3121395|它也有一个传统的颜色选择器(如gcolor2)在右下角的窗口，允许您选择单独的颜色放大。|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|L|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|M|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|N|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|O|8|@]|9|@]|A|$]]]|J|$]]

I recommend GPick:

sudo apt-get install gpick

Applications -> Graphics -> GPick

It's got a lot more features than gcolor2 but is still extremely simple to use - click on one of the hex swatches, move your mouse around the screen over the colours you want to pick, then press the space bar to add to your swatch list.

It also has a traditional colour picker (like gcolor2) in the bottom right-hand corner of the window to allow you to pick individual colours with magnification.

blocks|key|3121629|text|获得简单颜色选择器的另一种方法是安装yad+(又是另一个Dialog)并运行yad+--color。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|entityMap^0|12|B^^$0|@$1|2|3|4|5|6|7|G|8|@$9|H|A|I|B|C]]|D|@]|E|$]]]|F|$]]

Another way to get a simple color picker is to install yad (Yet Another Dialog) and run <code>yad --color</code>.

blocks|key|1138958|text|Gnome扩展色选器提供了一个选择器和一个调色板，由以前选择的颜色生成。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1138959|，采摘者，|header-two|1138960|📷|atomic|1138961|调色板|1138962|1138963|来源：https://extensions.gnome.org/extension/3396/color-picker/|entityMap|0|LINK|mutability|MUTABLE|url|https://extensions.gnome.org/extension/3396/color-picker/|1|IMAGE|IMMUTABLE|imageUrl|https://i.stack.imgur.com/tVyHE.png|imageAlt|2|https://i.stack.imgur.com/Rg4Vm.png|3^0|7|3|0|0|0|0|1|1|0|0|0|1|2|0|3|1L|3^^$0|@$1|2|3|4|5|6|7|14|8|@]|9|@$A|15|B|16|1|17]]|C|$]]|$1|D|3|E|5|F|7|18|8|@]|9|@]|C|$]]|$1|G|3|H|5|I|7|19|8|@]|9|@$A|1A|B|1B|1|1C]]|C|$]]|$1|J|3|K|5|F|7|1D|8|@]|9|@]|C|$]]|$1|L|3|H|5|I|7|1E|8|@]|9|@$A|1F|B|1G|1|1H]]|C|$]]|$1|M|3|N|5|6|7|1I|8|@]|9|@$A|1J|B|1K|1|1L]]|C|$]]]|O|$P|$5|Q|R|S|C|$T|U]]|V|$5|W|R|X|C|$Y|Z|10|-4]]|11|$5|W|R|X|C|$Y|12|10|-4]]|13|$5|Q|R|S|C|$T|U]]]]

The Gnome Shell extension <a href="https://extensions.gnome.org/extension/3396/color-picker/" rel="nofollow noreferrer">Color Picker</a> provides a picker and a color palette, generated from previously selected colors.
<h2>The picker</h2>
<a href="https://i.stack.imgur.com/tVyHE.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/tVyHE.png" alt="enter image description here" /></a>
<h2>The color palette</h2>
<a href="https://i.stack.imgur.com/Rg4Vm.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Rg4Vm.png" alt="enter image description here" /></a>
Source: <a href="https://extensions.gnome.org/extension/3396/color-picker/" rel="nofollow noreferrer">https://extensions.gnome.org/extension/3396/color-picker/</a>

I need a small tool to ‘pick’ a colour anywhere on the screen (so that I basically get the <a href="http://en.wikipedia.org/wiki/Web_colors#Hex_triplet">hex code</a> for it). Earlier, I've used KDE's <a href="http://kde.org/applications/graphics/kcolorchooser/">KColorChooser</a> for this.

According to <a href="http://wakish.info/color-picker-alternative-for-ubuntu-gnome-colorpicker-for-linux/">this page</a>, "Gpick" sounds like what I want, but: 

<pre><code>$ apt-cache search gpick
&lt;returns nothing&gt;
</code></pre>

Any recommendations?

What's a simple "colour picker" app for GNOME?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我需要一个小工具来“挑选”屏幕上任何地方的颜色(这样我基本上就可以得到十六进制码了)。在此之前，我使用了KDE的KColorChooser。根据此页的说法，“选择”听起来像我想要的，但是：$ apt-cache search gpick<returns nothing>有什么建议吗？

问GNOME的一个简单的“选色程序”是什么？
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