Flattr logo with two curved arrows forming a circular loop and the word Flattr.
Embed

Flattr

Flattr was a Swedish micro-donation and micropayment service launched in 2010 by Peter Sunde and Linus Olsson. Its visual identity is best documented through the embeddable Flattr button icon, described in contemporary coverage as green-orange.

Flattr was a Swedish micro-donation and micropayment service launched in 2010 by Peter Sunde, a co-founder of The Pirate Bay, and Linus Olsson. The platform allowed users to set a monthly budget and distribute it to content creators by clicking a Flattr button on their websites. The service was acquired by AdBlock Plus in 2016 and shut down in November 2023. [1] [2]

Design and History

The most recognizable element of the Flattr visual identity was the Flattr button, a small icon that website operators embedded next to their content. Contemporary press coverage consistently described this button as green-orange in color. [3] [4] A 2010 Forbes profile of Peter Sunde described the embeddable icon as a “brown-and-yellow icon,” suggesting the exact shade perception varied across early coverage. [5]

The name “Flattr” derives from the English verb “to flatter,” meaning to compliment or praise someone. [4] The service’s slogan was “We aim to make people share money on the internet.” [1]

Flattr AB registered the “Flattr” trademark in Taiwan in 2017, with the application filed on September 13, 2017, and registration granted on May 16, 2018. The trademark was registered as a plain word/figurative mark in black ink (墨色). [6]

Meaning and Symbolism

The Flattr button’s green-orange color scheme was widely noted in German media coverage of the service’s launch period. The button functioned as a visual cue for users to “flattr” a page, meaning to click and thereby allocate a small donation to the content creator. [7] [3]

Typography and Design

No official documentation has been found identifying the specific typeface used in the Flattr wordmark or the designer or agency responsible for creating the logo. The visual identity is best documented through the widely distributed button icon, which appeared in green and orange and was embedded across numerous blogs and media sites during the service’s operation. [4]

Logo Index is an independent educational archive covering logos, visual identities and graphic design history. All trademarks and brand assets remain the property of their respective owners.

Logo data

Measured from the original SVG file on 30/09/2026.

Colors

Pure black, single color.

  • #000000Black, 100%

    RGB 0, 0, 0; CMYK 0, 0, 0, 100

    White text 21.0:1 (passes AA)

Copy as

Backgrounds and sizes

Contrast and color difference

Compared with Banking and Finance

544 measured Banking and Finance logos

  • Main color black26%
  • Combination mark64%
  • Single color42%
  • Most common main color here: blue36%

From measured files, not tags. Updated 28/10/2026.

Structure

Logo type
Combination markClassified by AI
Proportions
3.6 : 1Horizontal
Ink coverage
19%81% empty space inside the outline
Symmetry
Asymmetric11% left-right match
Outline
Free-formOverall silhouette
Complexity
Moderate8 shapes, about 145 points

Typography

Lettering style: Geometric sans.

This is a style class, not the exact font. The font has not been documented.

Free fonts in this style: Montserrat, Outfit, Urbanist

Visual description

Classified by AI

Symbol shows
Two curved arrows forming circle
Style
Minimal, geometric, flat
Layout
Symbol left of the name
Techniques
Geometric construction, line art
Text in the logo
Flattr

More black Banking and Finance logos

Same main color, same industry

Cite or embed

Similar Logos

Report a problem