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EmailModern DarkTransactional

Trial Ending

Minimal dark mode HTML email template for Trial Ending (Subject: Your trial ends soon — {{company_name}}). Built with bulletproof table architecture and tested across modern email clients.

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

HTML
18-trial-ending.html9.8 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

Your trial ends soon —

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}}
  • {{days_remaining}}
  • {{plan_name}}
  • {{trial_ends_at}}
  • {{plan_price}}
  • {{billing_interval}}
  • {{billing_url}}
  • {{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