Check the contrast between different colour combinations against WCAG standards
Contrast and colour use are vital to accessibility. Users, including users with visual disabilities, must be able to perceive content on the page.
By using this tool, you will be able to make sure that your colour combinations have a good enough contrast between them to meet the Level AA WCAG standards.
As well as checking the contrast ratio between two colours, you can save your colour combinations (Maximum of 6) that you have entered and revisit them later. You also have the ability to copy the hex code values that you have entered to your clipboard. Simply press the icon to the side of the input and Bob's your uncle.
If this is not enough to tickle your fancy, you can view the webpage version at https://colourcontrast.cc/ which comes with some extra goodies.