The 7 Best Online Contrast Checker Tools in 2021

I love testing online color tools and reviewing them. The inside color blog has previously published articles about online gradient generator, color palette generator, color converter, color wheel, and color blender tools and we found them very useful to designers and creatives alike. Let’s take a look at the 7 Best Online Contrast Checker Tools in 2021!

What Is Color Contrast Ratio?

In the context of web accessibility, color contrast ratio determines the difference between the light levels in the foreground and background.

These days, using mobiles and computers are inevitable. Therefore, if you wish to reduce the strain on your eyes, you should consider the contrast between the elements on your screen. A person who is Colorblind may also be hypersensitive to certain colors or shades of light, and they may experience pain if a text’s color fails to contrast with its background. That is why contrast is so crucial when designing a web page.

What is WCAG?

A set of Web Content Accessibility Guidelines (WCAG) was developed by the W3C process in collaboration with individuals and organizations in every country of the world, addressing individuals’, organizations’, and governments’ needs regarding web accessibility. Web “content” generally refers to the information in a web page or web application, including natural information such as text, images, and sounds and code or markup that defines the structure, presentation, etc.

The WCAG has been published in three different versions, 2.0, 2.1, and 2.2. If you want to know more, then check out this article about Web Content Accessibility Guidelines in Wikipedia.

What is Contrast Checker Tools?

Color Contrast Checker is a tool that tests the contrast ratio of your background and text for accessibility. It will also indicate if the colors pass the newer WCAG 2.0 contrast ratio formula. You can use the contrast checker to determine whether your colors combine well.

1. Dopely Free Online Contrast Checker Tool

Dopely Color Contrast Checker helps you determine the accessibility of your text size, color contrast, and spot checks your visual elements. You can use a hex code to select the background color and text color, then adjust the hue, saturation, and lightness to achieve the right combination. In addition to using hex codes, you can use the Color Wheel Tool, and if you’re looking for a specific color in a picture, you can upload that picture and pick out that color. Additionally, you have the option to choose your colors randomly.

Currently, Dopely’s color contrast checker is limited to two color systems, but that’s not a problem. Since Dopely is an integrated software package, you can easily convert your color code to 20 different color systems.

It is possible to save the contrast checker result into your profile and download it in six different formats, including PDF, URL, PNG, JPG, SVG, and CSS. You can share the results on Twitter, LinkedIn, and Facebook.

There’s a modern yet comfortable feel to the design. Also, the contrast checker results are seen within a second after entering the color code. It is an integral part of Dopely tools, so you can apply the results instantly to other tools like color toner, color palette generator, color blender, and more.

Dopely Free Online Contrast Checker Tool, one of the best Contrast Checker tools ever
Dopely online contrast checker tool

Here is a short tutorial video clip you can see to learn how to work with Dopely contrast checker tool.

2. WebAIM Free Online Contrast Checker Tool

WebAIM contrast checker design supports hexadecimal or RGB code. A color wheel is also available to select the color. There is only a lightness roller for adjusting contrast. A good feature of WebAIM’s contrast checker is that it shows the text and background color in a sample and you can also check graphical objects and user interface components.

WebAIM  Free Online Contrast Checker Tool
WebAIM online contrast checker tool

3. CONTRAST CHECKER Free Online Contrast Checker Tool

Contrast Checker is a little bit different than the last two above. There is no roller to adjust the contrast. You can choose your color by using the hex or RGB codes or by using the color picker. If you choose a color, you can view a sample and add it to the history. You can compare your picks this way.
Contrast Checker also gives a score based on whether your text is readable by people with color blindness. Contrast Checker provides you with an opportunity to see how color blind people see your text.

CONTRAST CHECKER Free Online Contrast Checker Tool
CONTRAST CHECKER online contrast checker tool

4. Coolors Free Online Contrast Checker Tool

Coolors contrast checker includes almost all color systems. It also has a color wheel, so picking your exact color is easy. Coolors provide an interesting quote instead of a common text that you can see the changes on. Coolors doesn’t have a color extractor tool in its contrast checker so if you want to choose a color in a picture, you have to know the name.

Coolors Free Online Contrast Checker Tool
Coolors online contrast checker tool

5. Colour Contrast Free Online Contrast Checker Tool

Colour Contrast feature is almost similar to the others; You can use a hex code to select the background color and text color, then adjust the hue, saturation, and lightness to achieve the right combination. It would be better to have a color picker tool, but there isn’t one. As an interesting feature, you can choose the fonts and see the contrast between colors in two sizes of text.

Colour Contrast Free Online Contrast Checker Tool
Coluor Contrast online contrast checker tool

6. Deque Free Online Contrast Checker Tool

Deque is the only color contrast checker in this list that allows users to select colors by name but There are only 120 names on this list, which is a small number when you consider 16 million colors. Additionally, you can choose colors in hex and RGB codes, as well as through the color wheel.
Despite not being completely professional, the design is mobile-friendly.

 Deque Free Online Contrast Checker Tool
Deque online contrast checker tool

7. Adobe Free Online Contrast Checker Tool

The tools in this list are not difficult for me to work with, but the Adobe contrast color tool is not the easiest. It almost covers all the features included in the list. In addition, it contains a very useful recommendation section. You can also check the contrast of the graphic components.

 Adobe Free Online Contrast Checker Tool
Adobe online contrast checker tool

I’d like to hear about your experiences! Do you have any experience with contrast checkers? What other contrast checker do you recommend? Which one works best? Please let me know what you think! Your suggestions will be added to the list!

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