Contact name is green instead of blue

No. It means that the message will go through as a SMS message. That contact may not have setup iMessages.

Axel F.

There are many reasons why you may not receive feedback, including:

• User is in an area out of cellular reception.
• User has powered their device off.
• User has their device serviced.
• User is using Airplane Mode.
• User has blocked you.

While it is happening, you can call and leave a voicemail message for the user.

I sincerely hope you can contact the user.

Good luck! 👋🏼😁

Please review the response from Smilin-Brian above. He has listed some of the most common reasons to your question.

Axel F.