This website is useful for checking colour-blind compatibility.
And I'm a bit amused that when you say "add a visual indicator or icon" you don't give an example to show what you mean. You give some complicated CSS source code that a great many people won't understand.
Thanks for sharing that website, it is eye-opening. And thanks for the feedback. I need to rearrange things and modify the article a bit. In hindsight, the examples I provided may not be the best (or in the best order).
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This website is useful for checking colour-blind compatibility.
And I'm a bit amused that when you say "add a visual indicator or icon" you don't give an example to show what you mean. You give some complicated CSS source code that a great many people won't understand.
Thanks for sharing that website, it is eye-opening. And thanks for the feedback. I need to rearrange things and modify the article a bit. In hindsight, the examples I provided may not be the best (or in the best order).