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EmailModern DarkTransactional

Invitation Email

Minimal dark mode HTML email template for Invitation Email (Subject: Invitation to join {{company_name}}). Built with bulletproof table architecture and tested across modern email clients.

Updated: September 2026• License: Free MIT / Commercial Use

HTML
08-invitation-email.html8.8 KB

Features

  • Dark Mode Native (#000000 / #0A0A0A)
  • Outlook VML Vector Button Fallback
  • Fluid Responsive Layout (480px Breakpoint)
  • Zero External Dependencies
  • Pre-configured Merge Variables
100% Free • Open Source • Ready for Production & ESP integration

Overview

Production-ready, bulletproof dark brutalist HTML email template designed for high deliverability, instant loading, and seamless rendering across all major email clients.

Subject Line Reference

Invitation to join

Dynamic Variables

This template includes pre-configured {{variables}} ready for dynamic injection via your backend (Node.js, Python, Go, PHP) or email service provider (Resend, SendGrid, Postmark, AWS SES, Klaviyo):

  • {{company_name}}
  • {{inviter_name}}
  • {{invitation_message}}
  • {{accept_url}}
  • {{expires_at}}
  • {{company_address}}
  • {{unsubscribe_url}}

Technical Specifications

  • Canvas Color: #000000 (Pure Pitch Black)
  • Container Color: #0A0A0A (580px max-width)
  • Callout Elements: #171717 with #FFFFFF left border
  • Buttons: Solid #FFFFFF with #000000 typography and Microsoft Outlook VML vector shape fallback
  • Dependencies: Zero external CSS, zero external fonts, zero tracking pixels
  • Client Compatibility: Gmail (Web, iOS, Android), Apple Mail (macOS, iOS), Microsoft Outlook (2016, 2019, 2021, 365), Superhuman, Yahoo Mail, Thunderbird