Tellus Cooperative
Brand Guide

Official brand assets, color system, accessibility guidelines, and usage policy for the Tellus Cooperative Foundation. This page is the single source of truth for anyone using our brand: press, partners, chapters, and community members.

Brand Assets

Logo variants

Three approved variants of the horizontal wordmark. Right-click or use the download buttons to save in SVG (vector) or PNG (raster). Always use the official files: do not recreate, stretch, or recolor the logo.

Tellus horizontal logo · dark
Dark

For light and sand backgrounds.
Default for web, print, documents.

SVG PNG
Tellus horizontal logo · white
White

For dark backgrounds.
Teal slabs, video overlays, dark mode.

SVG PNG
Tellus horizontal logo · full color
Full Color

Teal wordmark in brand color.
Use on sand or white backgrounds.

SVG PNG

Tellus icon mark
Icon Mark
SVG PNG

Brand Assets

Hub & program logos

Lockups for Stellar Academy and Stellar Barrio. Use these only in materials for those specific programs, never as a substitute for the main Tellus logo.

Stellar Academy logo, full color
Stellar Academy

For light and sand backgrounds.

SVG
Stellar Academy logo, white
Stellar Academy

For dark backgrounds.

SVG
Stellar Barrio logo, white
Stellar Barrio

For dark backgrounds.

SVG
Stellar Barrio logo, full color
Stellar Barrio

For light and sand backgrounds.

SVG
Color System

Official palette

Three root colors define the entire brand. Every other color in the system is a tint, shade, or opacity variation of these three.

#ECE0CC
Sand
#ECE0CC
Backgrounds, cards, negative space. The canvas color, never pure white.
#3F8487
Teal
#3F8487
Primary brand color. Headings, links, italics, slab backgrounds, logo wordmark.
#C75A2A
Clay
#C75A2A
Accent color. CTAs, underlines, badges, decorative dots, highlights.
#1F3536
Teal Ink
#1F3536
Body text. Darkest shade, the standard reading color on sand backgrounds.
#2A5A5C
Teal Deep
#2A5A5C
Secondary text, metadata, hover states. Eyebrow labels and stat numbers.
#9E441F
Clay Deep
#9E441F
Button hover states. Darker accent, preferred over Clay for small text on light backgrounds (WCAG AA).
Accessibility

Contrast guide

Every combination below has been verified against WCAG 2.1 contrast thresholds. Follow the recommended column to guarantee readability. Reference: WCAG 2.1 Contrast (Minimum).

Background Foreground Ratio Normal Text
≥ 4.5:1		 Large Text
≥ 3:1		 UI / Graphics
≥ 3:1		 Usage
Sand
#ECE0CC		 Teal Ink
#1F3536		 10.1:1 AAA AAA AAA DEFAULT
Sand
#ECE0CC		 Teal Deep
#2A5A5C		 5.9:1 AA AAA AAA Eyebrows, metadata, stat numbers
Sand
#ECE0CC		 Teal
#3F8487		 3.3:1 FAIL OK OK Headings, italics, links (large only)
Sand
#ECE0CC		 Clay
#C75A2A		 3.2:1 FAIL OK OK Decorative accents only; not body text
Sand
#ECE0CC		 Clay Deep
#9E441F		 4.9:1 AA AAA AAA Small accent text needing AA
Teal
#3F8487		 Sand 90%
rgba(236,224,204,.9)		 3.0:1 FAIL OK OK Slab backgrounds (large text only)
Clay
#C75A2A		 Sand
#ECE0CC		 3.2:1 FAIL OK OK CTA buttons (bold, uppercase text)
Teal Ink
#1F3536		 Sand 90%
rgba(236,224,204,.9)		 8.2:1 AAA AAA AAA Pill buttons, mobile nav, badges

Key rules

Proper Usage

Brand guidelines

These rules protect the integrity and recognizability of the Tellus brand. Follow them whenever you use our name, logo, or colors in any medium.

Do

  • Use the official logo files from this page, never recreate or trace the wordmark.
  • Maintain a clear exclusion zone around the logo equal to the height of the letter "T".
  • Use the dark logo on light/neutral backgrounds and the white logo on dark backgrounds.
  • Follow the contrast rules above, body text must be Teal Ink (#1F3536) on Sand (#ECE0CC).
  • Use the brand typefaces: Fraunces for headings, Inter for body, JetBrains Mono for data/code.
  • When referring to us in text, write "Tellus Cooperative" or "Tellus Cooperative Foundation" on first mention.
  • Link back to telluscoop.org when using our brand assets online.

Don't

  • Stretch, compress, rotate, or distort the logo in any way.
  • Change the logo colors, use the approved variants only.
  • Add drop shadows, outlines, or effects to the logo.
  • Place the logo on busy, low-contrast, or clashing backgrounds.
  • Use Clay (#C75A2A) or Teal (#3F8487) for body text, they fail WCAG AA at normal sizes.
  • Create your own lockups, sub-brands, or derivative logos without written permission.
  • Use the Tellus brand to imply endorsement, partnership, or sponsorship without our explicit consent.

Clear space & minimum size

The logo must be surrounded by a minimum clear space equal to the height of the letter T in the wordmark. No other elements (text, images, borders) may enter this zone.

Minimum print size: 30 mm width. Minimum digital size: 120 px width. Never scale below these thresholds.

Legal

Usage policy

By downloading or using any Tellus Cooperative Foundation brand asset, you agree to these terms.

1. Permitted use. Our brand assets are provided for the purpose of accurately representing, promoting, or referencing Tellus Cooperative Foundation in editorial, educational, and community contexts. Partners, press, chapters, and members may use the assets in accordance with the guidelines on this page without needing prior approval.

2. Prohibited use. You may not use the Tellus name, logo, or brand assets in any way that suggests endorsement, sponsorship, or affiliation with your product, service, organization, or event without our prior written consent. You may not use our brand assets on merchandise, in domain names, in advertising, or in any context that could confuse the public about the source or origin of goods or services.

3. Right to revoke. Tellus Cooperative Foundation reserves the right to revoke permission to use its brand assets at any time, for any reason, at its sole discretion. If we determine that your use of our brand is misleading, harmful, inappropriate, or inconsistent with our values and mission, we will request that you cease and desist such use. You must comply with any takedown request within 10 business days. Continued unauthorized use after revocation may result in legal action.

4. No warranty. The brand assets are provided "as is" without warranty of any kind. Tellus Cooperative Foundation is not liable for any damages arising from the use of its brand assets.

5. Modifications. We may update this policy at any time. The current version will always be available at telluscoop.org/brand.

Last updated: June 2026. For permissions, questions, or to report misuse, contact hola@telluscoop.org.