PyQt logo with a blue and yellow interlocking snake symbol beside a green Qt sign.
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PyQt

PyQt is a set of Python bindings for The Qt Company's Qt application framework, developed and maintained by Riverbank Computing Limited and first released in 1998. A community wiki adopted a logo in July 2005, credited to Rhea Cornely, but it was not an official project mark.

PyQt is a set of Python bindings for The Qt Company’s Qt application framework, developed and maintained by Riverbank Computing Limited.[1] Unlike many open-source projects with a single, widely distributed brand mark, PyQt does not maintain a prominent, officially documented logo on its primary project pages. The Riverbank Computing website, which serves as the official home for PyQt, presents the software primarily as text-based documentation and release announcements without featuring a dedicated PyQt logo or visual identity system.[2]

Design and History

PyQt was first released in 1998 by Riverbank Computing, with development beginning through the creation of the SIP binding generator and the release of PyQt 0.1 supporting Qt 1.41 in November of that year.<a href="https://ru.wikipedia.org/wiki/%D0%A1%D0%BB%D1%83%D0%B6%D0%B5%D0%B1%D0%BD%D0%B0%D1%8F:%D0%96%D1%83%D1%80%D0%BD%D0%B0%D0%BB_%D0%B7%D0%BB%D0%BE%D1%83%D0%BF%D0%BE%D1%82%D1%80%D0%B5%D0%B1%D0%BB%D0%B5%D0%BD%D0%B8%D0%B9/2548791#1 [3] The project has since evolved through major versions, including PyQt4 (released June 2006), PyQt5 (released June 2013), and PyQt6, which currently supports Qt6 on Windows, macOS, and Linux.[1]

Documentation of a formal PyQt logo is scarce. A community wiki for PyQt and PyKDE adopted a logo in July 2005, credited to Rhea Cornely, though this was a community effort rather than an official Riverbank Computing brand asset.[4] The mailing list discussion from that period confirms the logo was created for the PyQt wiki and approved by community members, but no evidence indicates it became the official project mark.[5]

Stock photography of a “PyQt logo” exists through image agencies, showing the mark on a white background, but these images do not carry official design documentation or attribution.[6]

Meaning and Symbolism

No official source documents symbolic meaning, color significance, or design intent for a PyQt logo. The project name itself combines “Py” from Python with “Qt,” the cross-platform C++ application framework it binds to.[1] Any claims about specific colors, abstract forms, or their meanings in the PyQt identity cannot be verified through official documentation and should be treated as unsubstantiated.

Typography and Design

Riverbank Computing’s official PyQt pages do not document a specific wordmark, typeface, or typographic system for the project. The software is presented through standard web typography on the company’s site, with no evidence of a proprietary or officially specified brand font.[1]

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

4 colors

  • #366994Blue, 41%

    RGB 54, 105, 148; CMYK 64, 29, 0, 42

    White text 5.8:1 (passes AA)

  • #FFE052Yellow, 41%

    RGB 255, 224, 82; CMYK 0, 12, 68, 0

    Black text 16.0:1 (passes AA)

  • #7CC040Green, 15%

    RGB 124, 192, 64; CMYK 35, 0, 67, 25

    Black text 9.5:1 (passes AA)

  • #016123Green, 2.9%

    RGB 1, 97, 35; CMYK 99, 0, 64, 62

    White text 7.7:1 (passes AA)

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Backgrounds and sizes

Contrast and color difference

Compared with Software

754 measured Software logos

Only 21% of Software logos in the archive use four or more colors.

  • Main color blue28%
  • Combination mark57%
  • Four or more colors21%
  • Most common main color here: black33%

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

Structure

Logo type
Combination markClassified by AI
Proportions
1 : 1.0Roughly square
Ink coverage
52%48% empty space inside the outline
Symmetry
Asymmetric43% left-right match
Outline
Free-formOverall silhouette
Complexity
Moderate4 shapes, about 344 points

Tints and shades

Click a step to copy

#366994

#FFE052

#7CC040

Typography

Lettering style: Humanist sans.

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

Free fonts in this style: Source Sans 3, Fira Sans, Open Sans

Visual description

Classified by AI

Symbol shows
Interlocking snake heads
Style
Flat, minimal, geometric
Layout
Name inside the symbol
Techniques
Negative space, geometric construction
Text in the logo
Qt

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