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Design Systems for Websites and Apps

Vivid Concept builds design systems of tokens, coded components and clear usage rules, so designers and developers ship consistent websites and apps in light mode, dark mode and every screen size.

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Tokens, components and rules in one place

When a company runs several sites, an app and a steady stream of campaign pages, the same button gets redrawn again and again, and each version drifts a little further from the brand. A design system ends the drift. We build design systems for websites and apps for Los Angeles teams as the structured side of UX and UI design.

It gives designers and developers one source of truth for color, type, spacing and behavior. Designers use it in their tools and developers import it in their code, and the two stop rebuilding each other's work. It has three layers.

Design tokens are named values, such as a brand color or a spacing step, stored in a format both sides read. Tokens now follow an open, tool-neutral standard, first published in stable form by a W3C community group in October 2025, so your colors, spacing and themes move cleanly between design tools and code.

Components are coded, tested building blocks such as buttons, forms, navigation and cards, built on those tokens. Spacing, radius and elevation are tokens as well, so a change to the base unit reflows every component at once.

Rules explain when to use each part and what never to do with it. Together, the three layers make the product consistent without making designers wait.

IN-HOUSE ADVANTAGE

Connected With Our Full Los Angeles Team

Our designers and developers build each component once and reuse it everywhere, so every page and app stays consistent.

What Is Included in Design Systems

A token set for color, type, spacing, radius and motion

Coded and tested components in your framework

Light and dark themes with contrast checked in both

Accessibility notes and test results for each component

Documentation, a changelog and contribution rules

Your Design System Process

  1. DiscoveryWe review your setup, audience and goals, and you receive a clear scope before work starts.
  2. DesignWireframes show each page or screen and how visitors move through it, and you sign off before production.
  3. BuildBuilt by our in-house team with no handoffs.
  4. LaunchEvery page is tested and reviewed by a person before it goes live.
  5. SupportThe team that built it stays available after launch.

Dark mode, motion and variable fonts

Close-up of hands aligning printed interface components of simple shapes in a grid.

Theme support begins at the first token. Light and dark palettes are defined as pairs, contrast is checked in both, and components follow the visitor's device setting. Motion follows the reduced-motion setting, so animation shrinks or stops for people who ask their system for it.

Variable fonts replace a folder of static weights with one file whose weight and width move along a range. The result is fewer requests, and type that scales smoothly between phone and desktop without extra files.

Imagery, icons and illustration styles are written into the system alongside type and color. Those rules then govern 3D, AR and WebGL experiences as well, whenever your products call for them.

A designer shows a screen in light and dark themes side by side to a developer.

Accessibility checks inside the system

WCAG 2.2 added several criteria that a design system can enforce once instead of page by page, from target size and visible focus to accessible sign-in.

Those rules go into the component code. Each component is tested with a keyboard, a screen reader and zoom, and the results are published with its documentation, where designers and developers can both see them.

Every site or app built from the system inherits those fixes from its first page, which is the practical route to making a website accessible and to keeping it accessible as pages multiply.

Documentation, training and how the system grows

An accessibility specialist tests a keyboard route through a page on a laptop, calm and careful.

A design system is as useful as its documentation. Each component is shown live, with its code, options, states, do and don't examples and accessibility notes, and a changelog records what changed and why.

Contribution rules set how a new component is proposed, reviewed by design and engineering, versioned and released. The system can then grow without breaking the products that depend on it.

Tokens can also be exported to native iOS and Android formats, carrying the same decisions into your app. The code package installs in Next.js and headless CMS development builds, in mobile app planning and development projects and in a site coded around your goals.

Your brand is the foundation. The system grows out of brand definition and design and corporate identity design, extended for screens. Our design services and web development services teams deliver it together, train your team to use it and stay on to maintain it as it grows.

A designer trains a team in front of a screen of shared components, abstract shapes only.

23 Years in Los Angeles

Design Systems Questions & Answers

What is a design system?

A shared library of design tokens, coded components and usage rules that designers and developers both work from. Approved parts replace one-off redraws, and interfaces stay consistent as the number of pages, products and contributors grows.

Does a small company need one?

A company with one site needs a lean version: tokens, a dozen components and a style page. A full system pays back when a second site, an app or a new team arrives. The system is sized to the products you run.

How is the system delivered?

As a versioned package with documentation: tokens exported as CSS variables or platform formats, components in your framework, a live component browser and release notes. Our developers build with the same package, and we train anyone on your side who works with it.

How are changes approved?

Through a short process: a proposal, a design and engineering review, an accessibility check, a version bump and a changelog entry. Our team keeps the system aligned with your priorities at every step.

Can it follow our brand guidelines?

Yes. Your guidelines become tokens and component rules, extended where screens need more than print guidelines cover, such as states, motion and dark mode. The result stays faithful to the brand.

Request a Free Design System Consultation.

Speak directly with our Los Angeles web design & development specialists, or share your project details.

Direct Los Angeles Office 323-540-4370
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