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EmailModern DarkB2B

New Customer Notification

Minimal dark mode HTML email template for New Customer Notification (Subject: New Customer Signed: {{customer_company_name}} — {{company_name}}). Built with bulletproof table architecture and tested across modern email clients.

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

HTML
12-new-customer-notification.html11.8 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

New Customer Signed: —

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):

  • {{customer_company_name}}
  • {{company_name}}
  • {{subscription_tier}}
  • {{contract_value_formatted}}
  • {{contract_duration}}
  • {{seats_count}}
  • {{primary_contact_name}}
  • {{primary_contact_email}}
  • {{account_executive_name}}
  • {{csm_name}}
  • {{effective_date}}
  • {{crm_account_url}}
  • {{deal_id}}

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