Design Tokens Governance
Who Should Own the Truth?
Design tokens are basically design decisions translated into a format that works for both designers and devs.
Here’s the thing though: tokens need to feel natural to designers while still being practical enough for developers to actually implement.
Designer-led approach
When designers own tokens, the system maintains strong alignment with brand guidelines and design intent. Designers can:
Define semantic naming conventions that reflect design thinking (e.g.,
color-action-primaryinstead ofblue-500)Ensure tokens evolve with design trends and brand updates
Maintain consistency across design tools like Figma, Sketch, or Adobe XD
Control the design language without requiring code changes
However, designers may lack technical expertise, which can result in tokens that are difficult to implement or overlook critical platform-specific requirements.
Developer-led approach
When developers are in charge of tokens, they focus on what’s technically possible and practical. This means:
Tokens are optimized for performance and keeping file sizes small
Platform-specific needs (iOS, Android, Web) are handled properly
Everything works smoothly with build systems and deployment pipelines
Technical debt stays under control through good architecture
The catch? The original design vision can get muddied.
Developers focus on making things technically elegant instead of preserving design meaning, which can create a gap between what’s in design tools and what actually ships in the code.
How to keep the sync?
Keeping design and code in sync is the biggest governance headcache. When developers make changes in code — bug fixes, performance tweaks, new features — who ensures those updates make it back to the design tools?
Three common scenarios can happen:
Scenario 1: The Emergency Fix
A developer discovers a contrast issue in production and quickly updates a color token value. The fix goes live, but the design team isn’t notified. Weeks later, designers create new mockups using the old value, causing confusion and rework.
Scenario 2: Platform Divergence
iOS developers adjust spacing tokens to better align with Apple’s Human Interface Guidelines. Android follows Material Design principles with different values. Web splits the difference. Now three platforms have different “truths.”
Scenario 3: Technical Constraints
Designers define a sophisticated shadow token with multiple layers. Developers discover it causes performance issues on lower-end devices and simplify it. The gap between design intention and production reality widens.
A strategy for managing the chaos
Let designers and developers stick to their favorite tools while automation handles the sync.
Designers hang out in Figma or whatever visual tool they like, while devs manage tokens as JSON, YAML, or JavaScript files that plug into their build systems.
A CI/CD pipeline ties these worlds together. When designers tweak tokens in Figma, the changes automatically flow into code repos. When devs adjust tokens to squash bugs, those updates bounce back to design tools. Everyone gets the latest stuff without having to manually coordinate.
Drift detection lets the team know when stuff doesn’t line up which starts a conversation about which version should win rather than just having one side steamroll the other.
This requires a robust tech stack for format conversions, edge cases, and conflict resolution when designers and developers modify the same tokens simultaneously.
Bidirectional sync introduces race conditions and merge conflicts that need careful management.
Despite all that, this model really shines when you’ve got big, active, mature teams on both sides. With design systems engineers keeping things running smoothly, this approach cuts out bottlenecks while letting everyone stay autonomous and keeping everything consistent.
Workflow for a bi-directional sync
1. Classify the Change
When a token is modified in code, classify it as:
fix: corrects an error in the original design intent
platform requirement: adjusts for platform-specific requirements
drift: changes that shouldn’t have happened
2. Apply Reversion Rules
For each classified change, apply a different rule:
fix case: update design source immediately, document the correction
platform requirement case: create platform-specific token variants rather than changing the base token
drift case: revert code to match design, or escalate to committee if reversion isn’t feasible
3. Document and Communicate
Every token change should be logged with:
what changed and why
who approved the change
whether design files need updating
impact assessment across platforms
4. Automate Detection
Implement automated checks that:
compare token values between design and code repositories
flag discrepancies in daily reports or Slack notifications
block deployments if critical tokens have drifted beyond acceptable thresholds
5. Schedule Regular Audits
Conduct monthly or quarterly reviews where:
all token discrepancies are reviewed
decisions are made on which source should be updated
patterns in drift are analyzed to improve processes
Key Principles for Success
Keep everyone in the loop: make sure everyone can see what’s changing with tokens and why.
Let automation do the heavy lifting: use automated sync and validation instead of manual hand-offs whenever you can.
Name things clearly: call tokens what they do (color-text-primary) instead of what they are (gray-900) so nobody gets confused.
Write down the weird stuff: ehen you need platform-specific tweaks, document them and explain why.
Keep tabs on drift: check how often design and code go out of sync to spot where your process is breaking down.
Give your governance person real power: whether it’s designers, devs, or a committee, make sure they’ve got the authority to actually make decisions.




You should check out this (new) nice little tool I created, called Prism Tokens: https://prismtokens.app/
Very aligned with your vision in which designer control the Design System…