Examples needed a toggle that shows a higher-contrast version of a site [closed]

1. How do I increase text contrast in CSS?
2. What is high contrast?
3. What are high contrast colors?
4. How do I fix color contrast accessibility?

How do I increase text contrast in CSS?

Parameters. The contrast of the result, specified as a <number> or a <percentage> . A value under 100% decreases the contrast, while a value over 100% increases it. A value of 0% will create an image that is completely gray, while a value of 100% leaves the input unchanged.

What is high contrast?

If your photo consists of extremely bright and dark areas, then it's considered high contrast. When it has a wide range of tones that go from pure white to pure black, it's medium contrast. No pure whites or blacks and a range of middle tones mean it's low contrast.

What are high contrast colors?

For example, colors that are directly opposite one another on the color wheel have the highest contrast possible, while colors next to one another have a low contrast. For example, red-orange and orange are colors that have low contrast; red and green are colors that have high contrast.

How do I fix color contrast accessibility?

What to do (in short) To fix an Insufficient Color Contrast error, you will need to ensure that flagged elements meet the minimum required ratio of 4.5:1. To do so, you will need to find the hexadecimal codes of your foreground and background color, and test them in a color contrast checker.