No, it is advised to have a different meta description and H1. Even if you cannot see the description, Google's crawlers can see it and use it to understand the content of the page. H1 tags help the audience get a clear idea of the page's content.

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The approach towards it should be different. It should be used for a better user experience. SEO will be catered automatically.

1. No. Color of H1 tag text doesn't better the rank.
2. H1 text should be used as the heading of content used in the page irrespective of what is mentioned in the page title.

Keep these in mind when writing an H1 tag

1. It should be at the top of the page
2. It should be keyword optimised.
3. It should clearly convey what content of the page is all about
4. It should not be copied.