How to remove .html with htaccess from only one page?

Question

htaccess

There is a page /color.html , we need code for the htaccess file so that the page comes to the user as just /color/ .
Help me to understand.

Answer 1

RewriteEngine On

RewriteCond %{THE_REQUEST} " /color\.html"
RewriteRule ^ /color/ [R=301,L]

RewriteRule ^color/$ /color.html [L]

Answer 2

And how to prescribe so that .html is removed for all pages?