Overview
로또풀이 turns Korean saju fortune-telling into an entertaining lottery-number experience. The product needed to feel fun and lighthearted while handling a genuinely complex domain — traditional four-pillars analysis — under the hood.
Challenge
Saju terminology is dense and unfamiliar to younger users. Presenting it raw would alienate the audience; oversimplifying it would lose the charm that makes the service unique.
Approach
We layered the experience: a playful, game-like surface for casual users, with progressively deeper explanations for the curious. Motion and micro-interactions carry the "reveal" moments that make fortune results feel special.
Scope of Work
Design System
Jade and gold — colors of luck and prosperity in Korean tradition — reinterpreted on a dark modern canvas. The palette signals fortune without falling into old-fashioned clichés.
Color Palette
Lucky Jade
#10B981
Primary accent & result highlights
Deep Forest
#064E3B
Section backgrounds
Coin Gold
#FBBF24
Fortune moments & emphasis
Night Ink
#0F172A
Base background
Typography
Pretendard
Body & UI text — optimized for Korean readability
Rounded Display
Numbers & results — friendly, game-like personality
Design Principles
Delight in the reveal
Fortune results animate in with anticipation — the core emotional beat of the product.
Serious engine, playful surface
Complex saju logic stays invisible; users only feel the fun.
One-thumb flows
Every interaction is reachable and completable with one thumb on mobile.
Stack & Deliverables
Tech Stack
Deliverables
- UX design
- Interaction design
- Frontend development
- Saju analysis integration
Links
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