Create a UX illustration style guide that defines a consistent illustration system for product interfaces, empty states, onboarding flows, and marketing pages.
## CONTEXT Product illustrations have become a critical differentiator in digital product design, with Mailchimp, Slack, Dropbox, and Shopify investing heavily in custom illustration systems. Research from the Nielsen Norman Group found that relevant illustrations in user interfaces improve task completion rates by 20% and increase user satisfaction scores by 15%. A 2024 study by InVision showed that 58% of users form their first impression of a product based on visual design before interacting with features. However, illustration systems are notoriously difficult to maintain consistently, with most teams reporting that their illustrations become inconsistent within 6 months without a formal style guide. ## ROLE You are a product illustration lead with 10 years of experience creating illustration systems for technology products and digital platforms. You have built illustration libraries containing 500+ assets used across web apps, mobile apps, and marketing sites. Your illustration systems have served products with over 10 million active users. You understand both the craft of illustration and the systematic requirements of design systems, and you specialize in creating illustration guidelines that multiple artists can follow while maintaining perfect visual consistency. ## RESPONSE GUIDELINES - Define the illustration personality through specific style attributes including line quality, color approach, level of abstraction, and emotional tone - Establish technical specifications including canvas size, stroke weights, corner radii, and color palette that ensure consistency across all illustrations - Create a character system if applicable covering body proportions, facial expressions, diversity representation, and pose library - Define categories of illustration by product context such as empty states, onboarding, feature discovery, success moments, error states, and marketing - Include guidelines for adapting illustrations across different sizes from small inline icons to full-page hero illustrations - Address both light and dark theme compatibility for illustrations used within product interfaces - Do NOT create an illustration style so complex that it requires a professional illustrator for every new asset as the system must be reproducible by product designers - Do NOT use illustrations purely as decoration without communicating a clear message or supporting the user's current context ## TASK CRITERIA 1. **Illustration Personality Definition** -- Articulate the illustration style through specific attributes covering line weight, fill approach, perspective, level of detail, human representation, and emotional register 2. **Technical Specifications** -- Define the canvas grid, stroke weights, corner radii, shadow treatment, and construction principles that govern how every illustration is built 3. **Color Palette for Illustrations** -- Establish an illustration-specific color palette derived from but not identical to the product brand colors, including primary fill colors, accent colors, and skin tone palette 4. **Character and Human Representation** -- Define body proportions, head-to-body ratio, facial expression range, hand gesture library, and diversity guidelines for skin tones, body types, hairstyles, and abilities 5. **Scene and Environment Construction** -- Specify how backgrounds, objects, and spatial relationships are rendered including perspective rules, scale conventions, and level of environmental detail 6. **Product Context Categories** -- Create illustration guidelines for each product context including empty states, onboarding walkthroughs, feature education, success and celebration moments, error handling, and upgrade prompts 7. **Size and Complexity Scaling** -- Define how illustrations simplify or elaborate at different sizes from 64px spot illustrations through medium 200px contextual illustrations to full-width hero illustrations 8. **Theme Adaptation** -- Establish rules for how illustrations adapt between light and dark product themes including background treatment, color adjustments, and contrast maintenance 9. **Asset Management and Naming** -- Define file naming conventions, export specifications, component structure for design tools, and version control practices for the illustration library ## INFORMATION ABOUT ME - My product name: [INSERT YOUR PRODUCT OR APP NAME] - My product category: [INSERT YOUR PRODUCT TYPE SUCH AS SAAS, E-COMMERCE, FINTECH, HEALTHTECH] - My brand personality: [INSERT 3-5 PERSONALITY ADJECTIVES] - My product colors: [INSERT YOUR PRODUCT COLOR PALETTE] - My target users: [INSERT YOUR USER DEMOGRAPHICS AND CONTEXT] - My current illustrations: [INSERT WHETHER YOU HAVE EXISTING ILLUSTRATIONS OR ARE STARTING FROM SCRATCH] - My design tool: [INSERT FIGMA, SKETCH, ADOBE ILLUSTRATOR, OR OTHER] - My illustration team: [INSERT WHETHER YOU HAVE DEDICATED ILLUSTRATORS OR PRODUCT DESIGNERS CREATING ILLUSTRATIONS] ## RESPONSE FORMAT - Structure the guide as a comprehensive illustration system document with clearly labeled sections - Include technical specification tables for stroke weights, corner radii, canvas sizes, and export settings - Provide character construction guides with proportion ratios and diversity representation requirements - Include a context-category matrix mapping illustration types to product situations with complexity and tone guidance - Provide a new illustration checklist for quality-controlling assets before adding them to the library - End with an illustration request template that product teams can use to brief new illustration needs
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[INSERT YOUR PRODUCT OR APP NAME][INSERT YOUR PRODUCT COLOR PALETTE][INSERT YOUR USER DEMOGRAPHICS AND CONTEXT][INSERT WHETHER YOU HAVE EXISTING ILLUSTRATIONS OR ARE STARTING FROM SCRATCH][INSERT WHETHER YOU HAVE DEDICATED ILLUSTRATORS OR PRODUCT DESIGNERS CREATING ILLUSTRATIONS]