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CanvasX (Canvas Express) — Drag-and-Drop HTML Email & Page Designer with AI, Inline CSS & Previews | Velaxe

CanvasX (Canvas Express)

Optimize for dark mode and accessibility

Preview dark mode, set contrast-safe colors, ALT text, and logical heading order.

12 min Intermediate Designer, QA Updated Oct 20, 2025
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Overview

Preview dark mode, set contrast-safe colors, ALT text, and logical heading order.

Prerequisites

None.

Permissions required

templates:write

Steps (3)

Estimated: 12 min
  1. 1

    Dark mode preview

    Designer 4 min Back to top

    Toggle **Dark Mode** preview. Adjust backgrounds and text colors for contrast.

    Tips

    —

    Validation

    • All text meets ≥ 4.5:1 contrast for body copy where feasible.

    Success criteria

    —

  2. 2

    Accessibility pass

    QA 5 min Back to top

    Add ALT text, verify focus order for links, and ensure semantic heading hierarchy (H1 → H2).

    Tips

    —

    Validation

    —

    Success criteria

    —

  3. 3

    Image optimization

    Designer 3 min Back to top

    Compress oversized images and avoid text-only images for key content.

    Tips

    —

    Validation

    —

    Success criteria

    • Spell-check passes and link checker shows no broken links.

About this guide

CanvasX lets teams design pixel-perfect newsletters and simple landing pages without code. Choose from a rich template library and block set, save reusable modules, and toggle inline vs external CSS. Import existing HTML or from a URL, auto-inline styles, and fix Outlook quirks automatically. Use AI prompts to generate full layouts, refine sections, and write on-brand copy—powered by Velaxe AI Hub. Preview on mobile/desktop, simulate dark mode, and connect third-party render previews. Publish to a Velaxe public URL or send to Email Hub with preserved personalization and compliance blocks. Enterprise controls include brand kits, template locking, commenting, version history, RBAC, and audit trails. CanvasX also connects to Velaxe ProductCatalog and Events apps for data-driven content.