Slack
slack.com“Slack projects a professional yet approachable identity, blending corporate reliability with modern productivity energy. The brand feels organized and efficient, using a distinct purple palette to signal creativity within a structured, enterprise-ready framework.”
Color Palette
Colors
Light Mode
Dark Mode
Typography
Fonts
Salesforce-Sans
system-ui, -apple-system, blinkmacsystemfont, Segoe UI, roboto, Helvetica Neue, arial, Noto Sans, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol, Noto Color Emoji
Salesforce-Avant-Garde
system-ui, -apple-system, blinkmacsystemfont, Segoe UI, roboto, Helvetica Neue, arial, Noto Sans, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol, Noto Color Emoji
Salesforce-Sans
system-ui, -apple-system, blinkmacsystemfont, Segoe UI, roboto, Helvetica Neue, arial, Noto Sans, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol, Noto Color Emoji
The quick brown fox
16pxThe quick brown fox
64pxThe quick brown fox
58pxThe quick brown fox
24pxThe quick brown fox
14pxComponents
Design System
rgb(97, 31, 105) 0px 0px 0px 1px inset
rgba(0, 0, 0, 0.1) 0px 5px 20px 0px
radial-gradient(20vw at 10% 70%, rgba(255, 100, 150, 0.25), rgba(0, 0, 0, 0)), r...
Voice & Tone
Personality
Visual Energy
Design Era
contemporary-minimal
Emotional Tone
competent-approachable
Target Audience
Mid-to-large enterprise teams, project managers, and tech-forward organizations seeking secure, scalable collaboration tools.
Comparable Brands
Brand Rules
Dos & Don'ts
Do
- Use Salesforce-Sans (400 weight) for all body copy and Salesforce-Avant-Garde (600 weight) for primary headings.
- Format all headings in sentence-case; do not use title case or all-caps for main headers.
- Apply the primary brand color #611f69 to primary CTA buttons with white (#ffffff) text.
- Style primary buttons with 4px border-radius, 12px vertical padding, and 16px horizontal padding.
- Use subtle depth effects: apply a 1px inset shadow (rgb(97, 31, 105) 0px 0px 0px 1px inset) to secondary buttons and a soft drop shadow (rgba(0, 0, 0, 0.1) 0px 5px 20px 0px) to elevated elements.
- Utilize a clean white (#ffffff) background for light mode interfaces to maximize readability.
- Incorporate subtle radial gradients (e.g., rgba(255, 100, 150, 0.25)) sparingly in hero sections to add visual interest without clutter.
- Keep button border-radius consistent at 4px for primary actions and 0px for outline/tertiary navigation buttons.
Don't
- Do not use emojis in marketing copy or UI labels; maintain a text-only professional tone.
- Avoid exclamation points in headlines and body copy; keep the tone matter-of-fact.
- Do not use serif fonts; the brand is strictly sans-serif (Salesforce-Sans/Avant-Garde).
- Avoid title-case formatting for headings; this breaks the established sentence-case convention.
- Do not use bright, saturated colors outside the #611f69/#4a154b purple spectrum for primary branding elements.
- Avoid pill-shaped (fully rounded) buttons for primary actions; stick to the 4px radius.
- Do not use heavy, hard shadows; keep all shadows soft and diffuse (e.g., 20px blur radius).
- Avoid dense jargon in primary messaging; keep vocabulary moderate and accessible to non-technical stakeholders.
Design Assets
Visual Elements
How to use this file
1. Save this file as DESIGN.md in your project root (sibling to README.md).
2. AI agents that read project files (Claude Code, Cursor, v0, Lovable, Bolt, Windsurf) will discover it automatically.
3. Validate or export tokens with the official CLI:
npx @google/design.md lint DESIGN.md npx @google/design.md export --format tailwind DESIGN.md
Developer Access
# Fetch the full brand kit
curl https://extractvibe.com/api/brand/slack.com \
-H "x-api-key: ev_your_key"
# Export as CSS variables
curl https://extractvibe.com/api/extract/JOB_ID/export/css \
-H "x-api-key: ev_your_key"
# Export as Tailwind config
curl https://extractvibe.com/api/extract/JOB_ID/export/tailwind \
-H "x-api-key: ev_your_key"Extract your own brand kit
Get colors, fonts, voice, and personality from any website in seconds. Open source.





