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  • Favicon Dark and Light Mode: How to Make One Icon Work on Both Themes

    How favicons adapt to dark and light themes: SVG with prefers-color-scheme, separate files, fallbacks, symbol choices, and what to check in your vector logo artwork.

    October 31, 2026

  • Adjusting an SVG Favicon Gradient with Stop Offset

    How the stop offset attribute controls where colors fall in an SVG favicon gradient, how values are interpreted, and what to check before shipping the icon.

    October 31, 2026

  • Generate a Color Palette from an Image: What It Gives You and How It Applies to Vector Logos

    How image-based palette generators work, why colors sampled from a logo preview are approximate, and when to read color values from vector artwork instead.

    October 31, 2026

  • Archer Font: What It Is, How to Recognize It and What It Means for Logo Files

    An overview of the Archer typeface: its slab-serif traits, how it differs from similar fonts, and how to check, license and deliver it in vector logo artwork.

    October 31, 2026

  • Types of Color Schemes

    The main types of color schemes, including monochromatic, analogous, complementary, split-complementary, triadic and tetradic, and how each applies to a vector logo palette.

    October 31, 2026

  • Supreme Font Identification: The Box Logo Typeface and Its Vector Artwork

    Which font is used in the Supreme box logo, how to recognize it, and what to know about official artwork, recreations, vector files and permitted use.

    October 31, 2026

  • Creating an SVG File for a Logo

    How to create an SVG logo file: what the format is, how it differs from PNG, PDF and EPS, how to prepare paths, text and color, which export settings matter, and how to check the result.

    October 31, 2026

  • Windows Logo Color Codes

    Which color codes apply to the Windows logo depends on the version. Learn where reliable values come from, why previews mislead, and how HEX, RGB and CMYK fit different uses.

    October 31, 2026

  • Tertiary Colors in Logo Palette Design

    What tertiary colors are, how they are formed on the color wheel, and how to use and specify them in vector logo palettes for screen and print.

    October 31, 2026

  • SVG vs PNG for Website Logos

    Choosing between SVG and PNG for a website logo: when SVG is the better default, when PNG is the safer choice, and how to check what a logo file really contains.

    October 31, 2026

  • Negative space logo design

    What negative space logo design is, how it differs from other symbol approaches, and how to tell whether a negative space mark will still read as a small favicon.

    October 31, 2026

  • How to Extract RGB Colors from an Image for a Logo Palette

    Learn how to pull accurate RGB values from an image, avoid sampling errors, and turn the results into a clean, reusable color palette for vector logo artwork.

    October 31, 2026

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Before / After · demo work

Redraws you can scrub through

Drag the handle, tap anywhere on the picture or use the arrow keys. Every pair is a fictional demo brand drawn in code for this site, not a client project.

FernhillBAKERYDEMO northlineCYCLESDEMO Kettle & Co.COFFEEDEMO
FERNHILL~ Bakery & Cakes ~DEMO NorthlineCYCLES!!DEMO Ye OldeKettle & CoDEMO
Before After
↔

Demo Fernhill Bakery is a fictional brand. Before: clip-art, four fonts, outlines everywhere. After: one geometric mark, one serif and a calm palette.

Logo Lab

Seven honest tools for checking a logo

Try a logo in mockups, pull its palette, test contrast, export sizes and favicons or sketch a quick idea. Every tool works on your device.

  • Runs in your browser: files are not uploaded or stored
  • No AI redraws and no automatic vectorization
  • Real exports: PNG, WebP, SVG, ICO, palettes and HTML

  • Mockup PreviewCard, sign and screen scenes
  • Palette ExtractorHEX, RGB, HSL and exports
  • Contrast CheckerWCAG AA and AAA
  • Resize & ConvertPNG ↔ WebP, size sets as ZIP
  • Favicon GeneratorPNG 16–512, ICO and HTML
  • Shape & Text EditorLayers, undo, SVG and PNG

Mockup Preview

Place a PNG or SVG logo on a business card, a hanging sign or a screen, on a light or dark background, and export the preview.

  • Does: shows your file as it is on drawn scenes and exports a PNG preview.
  • Doesn’t: redraw, clean up or vectorize the logo, or print anything.
  1. Choose file
  2. Settings
  3. Result
  4. Export

1. Choose a file

Choosing a file only opens it in this browser tab. Nothing is uploaded or sent to a server.

2. Settings

3. Result

Your logo: drag it, or use arrow keys to move and + or − to resize

Drag with a mouse or finger. With the keyboard: arrows move, Shift moves faster, + and − resize.

4. Export

1600 × 1000 px PNG of the current scene.

Palette Extractor

Find the dominant colors of an image and copy them as HEX, RGB or HSL.

  • Does: counts the pixels of your image and groups similar colors.
  • Doesn’t: name brand colors, guess Pantone values or judge which palette is “right”.
  1. Choose file
  2. Settings
  3. Result
  4. Export

1. Choose a file

The image is read in this browser tab only and never uploaded.

2. Settings

3. Result

    4. Export

    Contrast Checker

    Type or pick two colors to get the WCAG 2 contrast ratio with AA and AAA marks.

    • Does: applies the WCAG relative-luminance formula to two solid colors.
    • Doesn’t: check gradients, images or thin strokes inside a logo.

    Contrast ratio —

    • AA normal text —
    • AA large text —
    • AAA normal text —
    • AAA large text —

    Normal text: the quick brown fox redraws the logo.

    Large text 24 px

    Resize & Convert

    Extends the site’s image tools: convert PNG ↔ WebP and export a whole set of sizes as one ZIP, keeping proportions.

    • Does: rescales pixels with the browser canvas and re-encodes them as PNG or WebP.
    • Doesn’t: add detail when enlarging or turn a raster image into vectors.
    1. Choose file
    2. Settings
    3. Result
    4. Export

    1. Choose a file

    Conversion happens in this browser tab. Nothing is uploaded.

    2. Settings

    Widths in pixels

    3. Result

    Preview of the first converted image

      4. Export

      Favicon Generator

      Turn a square-ish PNG or SVG into PNG icons from 16 to 512 px, an apple-touch-icon, a favicon.ico and the HTML to link them.

      • Does: scales your image into the standard icon sizes and packs 16, 32 and 48 px into one ICO.
      • Doesn’t: simplify a detailed logo for tiny sizes: check the 16 px preview yourself.
      1. Choose file
      2. Settings
      3. Result
      4. Export

      1. Choose a file

      Icons are drawn in this browser tab. Nothing is uploaded.

      2. Settings

      3. Result

        4. Export

        Shape & Text Editor

        Sketch a simple mark with text, rectangles, circles, lines and polygons, then export SVG or PNG.

        • Does: edit basic shapes and text in layers, with undo, alignment and grid snapping.
        • Doesn’t: trace an uploaded logo or replace a full vector editor.
        Selected layer

        Layers

          How files are handled

          Logo Lab opens the files you choose only inside your browser tab. Images are not uploaded, sent to a server or stored by this site, and no AI service is called. Closing or reloading the page discards them.

          Limits keep the page responsive: up to 5 MB for logos and 10 MB for other images, up to 4096 px per side. SVG files are treated as untrusted: scripts, event handlers, embedded pages and external references are removed, and the result is only shown as an image.

          Embedding in articles: put a paragraph containing only [lab:palette], [lab:contrast], [lab:before-after] or [lab:editor] into an article and the matching tool appears in its place.

          logoredraws.com

          Logo Lab

          • Before / After
          • Mockup Preview
          • Palette Extractor
          • Contrast Checker
          • Resize & Convert
          • Favicon Generator
          • Shape & Text Editor
          • How files are handled

          Journal

          • Blog
          • Redesign
          • Color
          • Typography
          • File Formats
          • Search

          Demo brands on this site are fictional and drawn in code. Files you open in Logo Lab stay in your browser.