Remember that a colorblind person doesn't necessarily see the world in black and white but rather some colors change their appearance. There are several different kinds of color-blindness out there and each looks different. Here are some images illustrating the different variants. For the most part it's either reddish or greenish tones that are affected, while most of the time blue colors remain what they are.
You can try out how your UI looks to various color-blind persons with this tool for example.\
I was told by one of my users that his sight disability requires him to use the High Contrast Black setting. So what I do to test that my program will appear fine to sight impaired people (including various types of color blindness), is to temporarily change to that setting.
To do so in Windows XP, go to Accessibility Options in the Control Panel. On the Display Page, click "Use High Contrast" and from the Settings button select: "High Contrast Black (large)".
I found a number of colors needed adjusting when I did this. When going back to normal viewing mode, the result was slightly higher contrast but not too noticeable changes for normal sighted viewers, but better contrast for color blind and other vision impaired users.
If this still doesn't help a person with a particular form of color blindness, I would then recommend they try using High Contrast Black as their normal option, since they're missing out on more than just my program.
There are a number of tools listed on this site that provide a filter or a way of looking at your website/application/etc. as if you were colorblind. This is a very simple way to test and does not require you to find every color-blind type individual out there (as there are different levels of color blindness).
Technically, there is really no way in which you could do this other than to use a black and white interface. There are many different types of color blindness and there are varying degrees to each of those types (I happen to have Tritanomaly, which means that I have difficulty with the entire spectrum of Blue). There is a decent Wikipedia article about clorblindness(Color blindness)that describes the differences. There are plenty of websites that offer different ways of designing for the color blind, but in actuality, it is difficult to make something look good to color normal people that would also be visible to color weak/blind people. Go with Black and white and it will look good for everyone (think I-tunes).
It's for Win/Mac/*nix. It takes the image that is currently shown on your screen and applies a colorblindness filter, so that you easily can see how it looks, without having to capture screenshots and use photoshop to do the filtering. You can even assign a hotkey so that you instantly can see it. Best of all it's free.
There is a cool iPhone app called Simulate that will allow you to take a screen-shot or a photo to see how things look. It also includes sample images that really let you see how things might appear to a color-blind person.
我一直在 OS X 上使用 Color Oracle，但刚刚购买了 xScope 今天因为它有 30% 的折扣，而且还有尺子、参考线和颜色选择器等工具。
I've been using Color Oracle on OS X but just bought xScope today because it's on a 30% discount and also has a ruler, guides and a color picker among other tools.
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在网上搜索色盲模拟工具。例如，您会发现
Search for color blindness simulation tools on the net. You will find for example
您可以使用以下网站更改屏幕截图的颜色：http://www.vischeck.com/daltonize/< /a>
you can change the color of your screenshots using this website: http://www.vischeck.com/daltonize/
请记住，色盲者不一定会看到黑白的世界，而是某些颜色会改变其外观。色盲有几种不同的类型，每种看起来都不同。 这里是一些说明不同变体的图像。在大多数情况下，受影响的是微红色或绿色色调，而大多数情况下蓝色保持原样。
您可以使用此工具来尝试不同色盲人士的 UI 外观
Windows 用户体验指南还涵盖了与色盲。
Remember that a colorblind person doesn't necessarily see the world in black and white but rather some colors change their appearance. There are several different kinds of color-blindness out there and each looks different. Here are some images illustrating the different variants. For the most part it's either reddish or greenish tones that are affected, while most of the time blue colors remain what they are.
You can try out how your UI looks to various color-blind persons with this tool for example.\
The Windows User Experience Guidelines also cover color with respect to color blindness.
我的一位用户告诉我，他的视力障碍要求他使用高对比度黑色设置。因此，为了测试我的程序对于视力障碍者（包括各种类型的色盲）来说是否正常，我所做的就是暂时更改为该设置。
高对比度黑色示例 http://www.digitalexpedition.com/main/assets /images/HighContrastBlackTheme.jpg
在 Windows XP 中执行此操作，转到控制面板中的辅助功能选项。在显示页面上，单击“使用高对比度”，然后从“设置”按钮中选择：“高对比度黑色（大）”。
该过程与 Windows Vista 类似。
当我这样做时，我发现许多颜色需要调整。当返回正常观看模式时，结果是对比度稍高，但对于视力正常的观看者来说变化不是太明显，但对于色盲和其他视力受损的用户来说对比度更好。
如果这仍然不能帮助患有特定形式色盲的人，那么我会建议他们尝试使用高对比度黑色作为他们的正常选择，因为他们错过的不仅仅是我的程序。
I was told by one of my users that his sight disability requires him to use the High Contrast Black setting. So what I do to test that my program will appear fine to sight impaired people (including various types of color blindness), is to temporarily change to that setting.
Sample of High Contrast Black http://www.digitalexpedition.com/main/assets/images/HighContrastBlackTheme.jpg
To do so in Windows XP, go to Accessibility Options in the Control Panel. On the Display Page, click "Use High Contrast" and from the Settings button select: "High Contrast Black (large)".
The procedure is similar with Windows Vista.
I found a number of colors needed adjusting when I did this. When going back to normal viewing mode, the result was slightly higher contrast but not too noticeable changes for normal sighted viewers, but better contrast for color blind and other vision impaired users.
If this still doesn't help a person with a particular form of color blindness, I would then recommend they try using High Contrast Black as their normal option, since they're missing out on more than just my program.
要测试网页的色盲可访问性，您可以尝试：
http://colorfilter.wickline.org/
To test a web page for colorblindness accessibility, you can try out:
http://colorfilter.wickline.org/
本网站列出了许多提供过滤器或查看您的网站/应用程序/等的方式。就好像你是色盲一样。这是一种非常简单的测试方法，不需要您找到每个色盲类型的个体（因为色盲有不同级别）。
There are a number of tools listed on this site that provide a filter or a way of looking at your website/application/etc. as if you were colorblind. This is a very simple way to test and does not require you to find every color-blind type individual out there (as there are different levels of color blindness).
从技术上讲，除了使用黑白界面之外，确实没有其他方法可以做到这一点。色盲有许多不同类型，每种类型都有不同程度的色盲（我碰巧患有蓝色弱视，这意味着我对整个蓝色光谱都有困难）。维基百科上有一篇关于色盲的不错的文章（色盲）描述了差异。有很多网站为色盲者提供了不同的设计方式，但实际上，很难做出对正常人来说看起来不错、色弱/色盲者也能看到的东西。选择黑色和白色，它对每个人来说都会很好看（想想 I-tunes）。
Technically, there is really no way in which you could do this other than to use a black and white interface. There are many different types of color blindness and there are varying degrees to each of those types (I happen to have Tritanomaly, which means that I have difficulty with the entire spectrum of Blue). There is a decent Wikipedia article about clorblindness(Color blindness)that describes the differences. There are plenty of websites that offer different ways of designing for the color blind, but in actuality, it is difficult to make something look good to color normal people that would also be visible to color weak/blind people. Go with Black and white and it will look good for everyone (think I-tunes).
Color Oracle
适用于 Win/Mac/*nix。它会获取屏幕上当前显示的图像并应用色盲滤镜，以便您可以轻松地看到它的外观，而无需捕获屏幕截图并使用 Photoshop 进行过滤。您甚至可以指定一个热键，以便您立即可以看到它。最棒的是它是免费的。
色盲视觉
用于实时模拟色盲的 iPhone 应用程序。我把它写成我的第一个 iOS 程序。
Color Oracle
It's for Win/Mac/*nix. It takes the image that is currently shown on your screen and applies a colorblindness filter, so that you easily can see how it looks, without having to capture screenshots and use photoshop to do the filtering. You can even assign a hotkey so that you instantly can see it. Best of all it's free.
Colorblind Vision
iPhone app for realtime simulation of colorblindness. I wrote it as my first iOS program.
我刚刚从 Futjusu “Color Doctor” 中找到可以以 4 种色盲模式显示网站： 色彩医生。
I just found from Futjusu "Color Doctor" that can display website in 4 modes of color blind: Color Doctor.
有一个很酷的 iPhone 应用程序，名为模拟 这将允许您拍摄屏幕截图或照片来查看事物的外观。它还包括示例图像，让您真正了解色盲者眼中的事物。
There is a cool iPhone app called Simulate that will allow you to take a screen-shot or a photo to see how things look. It also includes sample images that really let you see how things might appear to a color-blind person.
我一直在 OS X 上使用 Color Oracle，但刚刚购买了 xScope 今天因为它有 30% 的折扣，而且还有尺子、参考线和颜色选择器等工具。
I've been using Color Oracle on OS X but just bought xScope today because it's on a 30% discount and also has a ruler, guides and a color picker among other tools.