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Professional logo and brand-mark design, from brief to production files. Guides discovery and the design brief, concept generation, choosing a mark type (wordmark, monogram, letterform, pictorial, abstract, emblem, mascot, combination), building clean geometric SVG logos, optical refinement, colour and typography, testing (16 px, one-colour, reversed, shelf test), client presentation, delivery variants and brand guidelines. Includes a searchable library of 1,400+ real-world SVG logos classified by type, technique, geometry and industry, plus scripts that audit SVGs and generate test sheets, presentation boards and export variants. Use this skill whenever the user wants a logo, logotype, wordmark, monogram, brand mark, symbol, app icon or favicon designed, redesigned, refreshed, critiqued or compared; asks for logo ideas or concepts; needs a design brief, logo guidelines, lockups or an identity system; or mentions branding a new company, product, app or project — even if they don't say the word "logo".

Recorded with Codex, gpt-6.1-sol, medium effort

PromptDesign six distinct, original logo concepts for Morrow, a fictional neighbourhood bicycle repair shop for everyday riders. Brand traits: warm, practical, dependable, quietly playful. Use six different ideas across several mark types, not six variations of one symbol. Avoid generic bicycle clip art and stock-font initials. Deliver a polished responsive comparison page named index.html with six inline SVG logos. Each card shows a large logo, concept name, short rationale, true 16px and 32px symbol tests, one-colour and reversed versions. Draw logo lettering as SVG paths. Use two colours and warm paper. Briefly recommend one concept. This is the concept checkpoint only. Do not build a full brand kit or ask questions. Keep everything self-contained with no external images, fonts, or dependencies. Read the logo-design Skill and its SVG construction reference using the pinned revision. Render and inspect the page before finishing. Save index.html.

Desktop screenshot of the page the Agent built for: Design six distinct, original logo concepts for Morrow, a fictional neighbourhood bicycle repair shop for everyday rider
Phone screenshot of the page the Agent built for: Design six distinct, original logo concepts for Morrow, a fictional neighbourhood bicycle repair shop for everyday rider

Recorded on an older version of this Skill.

Use this Skill: https://skilld.dev/gh/kaankiziltug/logo-design-skill/logo-design

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referencesredesign.md

≈1.1k tokens on demand. Your agent reads this file only when SKILL.md points to it.

Redesign, Refresh & Rebrand

Changing an existing logo is riskier than creating a new one: people already know it, and recognition is an asset built over years. Read this when the user asks to modernise, refresh, update or replace a logo.

1. First: should it change at all?

Good reasons:

  • The business has changed (merger, new offering, new audience, new positioning — e.g. from discount to premium).
  • The mark fails functionally: illegible small, unusable on screens, can't be embroidered, breaks in one colour.
  • Many inconsistent versions are in circulation (the mark has been stretched, redrawn and recoloured by every vendor).
  • It resembles a competitor or carries a harmful association.
  • It looks dated in a way that contradicts the brand's promise (a tech firm looking decades old).

Weak reasons: a new executive wants to leave a mark; boredom inside the company (the audience is rarely as bored as the staff); chasing a trend. Remember the public may care deeply about a familiar mark — radical redesigns of loved brands can trigger backlash and even be reversed.

If the user is only thinking about change, that alone justifies exploring options — explore, then decide.

2. Evolution vs. revolution

Evolution (refresh) Revolution (rebrand)
When Equity is strong; problems are technical or stylistic The business or its perception must change fundamentally
What changes Proportions, weight, curves, spacing, colour tuning, simplification, cleaner digital version Concept, name treatment, possibly colour and symbol
Risk Low — recognition carries over High — must rebuild recognition; plan launch & explanation

Most successful updates are evolutionary: cleaner, sleeker versions of the same idea. Even radical changes often keep one anchor — usually the colour scheme (perhaps shifted in shade) or a signature shape.

3. Equity audit

List what the public recognises, in order of strength: colour, symbol shape, a distinctive letter, the name's typography, a mascot, a slogan, a sound. Ask:

  • What must survive? (Usually the strongest one or two.)
  • What is incidental and can go?
  • What causes problems (legibility, reproduction, negative associations)? Two ownership strategies exist — constancy for decades, or managed evolution that keeps core elements while updating details. Choose one explicitly.

4. Refresh techniques

  • Redraw curves with fewer, cleaner anchors; fix the bone effect; add overshoot; unify stroke weights and radii.
  • Simplify: remove bevels, shadows, gradients, outlines, tiny details; merge elements; reduce colours.
  • Retune typography: re-space, redraw letters for legibility, customise so it can't be typed in a stock font, or replace an overused typeface while keeping the character.
  • Soften or sharpen: round terminals and lowercase letters feel friendlier; sharper forms and capitals feel more authoritative. (A common modern move: from stark capitals to friendlier rounded forms.)
  • Colour: keep the hue family, adjust saturation/value for screens and accessibility.
  • Add a container when the old mark gets lost in cluttered environments.
  • Build the missing variants (symbol-only, horizontal/stacked, favicon, reversed) — often the real problem.
  • Keep heritage elements as accents (a classic ampersand, an old monogram) next to modern type to express continuity and progress at once.

5. Mergers and new structures

Options: choose one existing mark; combine elements of both (rarely elegant); create a new mark that signals a new entity; or a transitional endorsement ("X, a Y company"). Communicate tactfully — people identify with their old brand. Find elements that both sides can recognise as theirs.

6. Launch

Explain the change: why, what stays, what it means. Show before/after side by side. Roll out consistently — mixing old and new marks for long signals confusion. Update guidelines and asset libraries on day one, and audit usage after launch.

7. Deliverable for a redesign proposal

  1. Diagnosis of the current mark (use the critique format in critique.md).
  2. Equity audit (what stays, what goes).
  3. 2–3 options along the evolution ↔ revolution spectrum, each with before/after at the same sizes.
  4. Recommendation and rollout considerations (cost of signage/vehicles/packaging changes, timing).

Source: SKILL.md on GitHub

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  • Gen Agent Trust Hub12d

    The skill provides a comprehensive workflow for professional logo design, supported by a large library of reference logos and utility scripts for design auditing and asset production. No malicious patterns were identified.

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    Risk: LOW · No issues

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