How could I turn off the yellow or green highlighting colors?

I am writing a html file. However, as the attached screenshot shows, there appear green or yellow colors as background colors. These colorings make me feel stuffy and I want to disable them.
The yellow color seems to be related with "SQL dialect" but this is just a simple HTML file. Intellij gives me a message:
"no data sources are configured to run this SQL and provide advanced cod assistance. Disable this inspection via problem menu (option+enter). more..."
so that I pressed the 'option+enter' and tried all possible options but it never disabled. Only the way I can disable it is to lower the highlighting level in the dialog box which can be found by clicking an icon on right - bottom of the editor. And I never be able to disable the green coloring.
Thanks.
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Could you please attach a screenshot with the options you get on Option+Enter?
Please share a sample project to reproduce the issue (https://intellij-support.jetbrains.com/hc/articles/206869619).
Here are the screenshots.
For the yellow color:
Some options of which names start 'Suppress' works but they append some comment in the source but I do not want such additional comment. The 'Disable inspection' option also works, but I think that this option would disable the inspection for SQL, this also is not what I want since I should use SQL on another project.
For the green color:
I can not find any options or notifications for the green coloring. OTL.
Thank you, Serge.
What file type do you edit? A sample project would help to understand the issue.
Now, I think I touched some improper options in Preference..., and this problem may be fixed if I re-install the IDE.
However, let me answer you, Serge.
I turned on Intellij and clicked the 'open' menu, and selected the .html file in the tree of file system. that's all. I did not use the 'project'.
The content of the html file is:
Thank you very much.
Can't reproduce.
What module type was created when you opened this file?
You may try to remove IDE configs to start from scratch (https://intellij-support.jetbrains.com/hc/articles/206544519).
Also try removing .idea directory from the project, then try creating a new project with the static web module in the directory containing this file.
O.K. I solved the problem of green color:
I never touched this option, I wonder why this option has been set. The one I can guess is that this option might be set when I tried to use Solarized_dark theme. I think this issue is the same problem.
For the yellow color, I temporarily turned off all the inspections.
Have a good day.
Injected language fragment has a different background color by design. The issue is that for some reason IDE thinks you have an injected fragment in the plain HTML document. Probably your language injection settings are broken somehow: https://www.jetbrains.com/help/idea/2016.3/language-injection-settings-dialog-xml-tag-injection.html.
Oh, now I really solved the problem.
Both the yellow and green highlighting colors are removed.
thank you!!!
Thanks
@Ghehf83 Thank you soooooooo much!! It really went me crazy such a long time. This one works for me.