diff --git a/apps/ui/src/components/AnalysisResults.tsx b/apps/ui/src/components/AnalysisResults.tsx
index c7990ecb..a34e6e9c 100644
--- a/apps/ui/src/components/AnalysisResults.tsx
+++ b/apps/ui/src/components/AnalysisResults.tsx
@@ -40,11 +40,7 @@ import { TranscriptionPianorollBlock } from './TranscriptionPianorollBlock';
 import { Mt3TranscriptionPanel } from './Mt3TranscriptionPanel';
 import { StemListeningNotesPanel } from './StemListeningNotesPanel';
 import { hasStemListeningNotesContent } from '../services/sessionMusician';
-import {
-  StatusBadge,
-  TokenBadgeList,
-} from './MeasurementPrimitives';
-import { Button, DeviceRack, MetricBar, MetricTile, Pill, SectionHeader } from './ui';
+import { Button, DeviceRack, MetricBar, MetricTile, Pill, SectionHeader, TokenBadgeList } from './ui';
 import { PhaseSourceBadge } from './PhaseSourceBadge';
 import { StickyNav, type StickyNavSection } from './StickyNav';
 import { CitationBlock, CitationHeadline } from './CitationBlock';
@@ -1048,7 +1044,7 @@ export function AnalysisResults({
             icon={<Clock className="w-3.5 h-3.5 text-accent/60" />}
             label="METER"
             value={phase1.timeSignature}
-            footer={<StatusBadge label={meterStatusLabel(phase1)} tone="muted" compact />}
+            footer={<Pill tone="neutral" size="xs">{meterStatusLabel(phase1)}</Pill>}
           />
 
           {/* CHARACTER — genre primary, characteristic pills secondary */}
@@ -1066,7 +1062,7 @@ export function AnalysisResults({
                     items={[
                       { label: phase1.genreDetail.genreFamily, tone: 'accent' },
                       ...(phase1.genreDetail.secondaryGenre
-                        ? [{ label: phase1.genreDetail.secondaryGenre, tone: 'muted' as const }]
+                        ? [{ label: phase1.genreDetail.secondaryGenre, tone: 'neutral' as const }]
                         : []),
                     ]}
                   />
@@ -1418,7 +1414,7 @@ export function AnalysisResults({
                       Instruments
                     </p>
                     <TokenBadgeList
-                      items={styleProfile.instruments.map((item) => ({ label: item, tone: 'muted' as const }))}
+                      items={styleProfile.instruments.map((item) => ({ label: item, tone: 'neutral' as const }))}
                     />
                   </div>
                 )}
@@ -1428,7 +1424,7 @@ export function AnalysisResults({
                       Production Techniques
                     </p>
                     <TokenBadgeList
-                      items={styleProfile.productionTechniques.map((item) => ({ label: item, tone: 'violet' as const }))}
+                      items={styleProfile.productionTechniques.map((item) => ({ label: item, tone: 'neutral' as const }))}
                     />
                   </div>
                 )}
diff --git a/apps/ui/src/components/MixDoctorPanel.tsx b/apps/ui/src/components/MixDoctorPanel.tsx
index e5d55fd3..c7c492db 100644
--- a/apps/ui/src/components/MixDoctorPanel.tsx
+++ b/apps/ui/src/components/MixDoctorPanel.tsx
@@ -1,10 +1,6 @@
 import React from 'react';
 import type { MixDoctorReport, MixDynamicsIssue, MixIssue } from '../services/mixDoctor';
-import {
-  DeltaBadge,
-  StatusBadge,
-} from './MeasurementPrimitives';
-import { DataTable, MetricTile, Panel } from './ui';
+import { DataTable, DeltaBadge, MetricTile, Panel, Pill } from './ui';
 import { getTextRoleClassName } from '../utils/displayText';
 
 interface MixDoctorPanelProps {
@@ -59,17 +55,16 @@ export function MixDoctorPanel({ report }: MixDoctorPanelProps) {
           accent="accent"
           label="Target Genre"
           value={report.genreName}
-          footer={<StatusBadge label={report.genreId} tone="muted" compact />}
+          footer={<Pill tone="neutral" size="xs">{report.genreId}</Pill>}
         />
         <MetricTile
           size="md"
           accent="accent"
           label="Health Score"
           value={
-            <StatusBadge
-              label={`${report.overallScore}/100`}
-              tone={toneForScore(report.overallScore)}
-            />
+            <Pill tone={toneForScore(report.overallScore)}>
+              {`${report.overallScore}/100`}
+            </Pill>
           }
         />
         <MetricTile
@@ -111,7 +106,7 @@ export function MixDoctorPanel({ report }: MixDoctorPanelProps) {
             },
           ].map((item) => (
             <Panel key={item.label} variant="surface" padding="md">
-              <StatusBadge label={item.label} tone={item.tone} compact />
+              <Pill tone={item.tone} size="xs">{item.label}</Pill>
               <p className="mt-2 text-sm leading-5 text-text-primary">{item.message}</p>
             </Panel>
           ))}
@@ -176,7 +171,7 @@ export function MixDoctorPanel({ report }: MixDoctorPanelProps) {
                 label: 'Issue',
                 render: (row) => (
                   <div className="flex justify-start">
-                    <StatusBadge label={row.issue} tone={toneForMixIssue(row.issue)} compact />
+                    <Pill tone={toneForMixIssue(row.issue)} size="xs">{row.issue}</Pill>
                   </div>
                 ),
               },
diff --git a/apps/ui/src/components/ui/DeltaBadge.tsx b/apps/ui/src/components/ui/DeltaBadge.tsx
new file mode 100644
index 00000000..39c17250
--- /dev/null
+++ b/apps/ui/src/components/ui/DeltaBadge.tsx
@@ -0,0 +1,65 @@
+import React from 'react';
+
+import { Pill } from './Pill';
+import type { Tone } from './variants';
+
+export interface DeltaBadgeProps {
+  value: number | null | undefined;
+  unit?: string;
+  decimals?: number;
+  okThreshold: number;
+  warnThreshold: number;
+  invert?: boolean;
+  showSign?: boolean;
+  className?: string;
+}
+
+function formatSignedNumber(value: number, decimals: number, showSign: boolean): string {
+  const abs = Math.abs(value).toFixed(decimals);
+  if (!showSign) return value.toFixed(decimals);
+  return `${value >= 0 ? '+' : '-'}${abs}`;
+}
+
+/**
+ * Threshold-driven delta chip. Renders a {@link Pill} whose tone reflects how
+ * far `value` sits from zero relative to the ok/warn thresholds (or the inverse
+ * when `invert`). Non-finite values render an `n/a` neutral pill. Migrated from
+ * the retired MeasurementPrimitives layer onto the canonical token palette.
+ */
+export function DeltaBadge({
+  value,
+  unit,
+  decimals = 1,
+  okThreshold,
+  warnThreshold,
+  invert = false,
+  showSign = true,
+  className,
+}: DeltaBadgeProps) {
+  if (typeof value !== 'number' || !Number.isFinite(value)) {
+    return (
+      <Pill tone="neutral" size="xs" className={className}>
+        n/a
+      </Pill>
+    );
+  }
+
+  const magnitude = Math.abs(value);
+  const tone: Tone =
+    magnitude <= okThreshold
+      ? invert
+        ? 'error'
+        : 'success'
+      : magnitude <= warnThreshold
+        ? 'warning'
+        : invert
+          ? 'success'
+          : 'error';
+  const label = `${formatSignedNumber(value, decimals, showSign)}${unit ? ` ${unit}` : ''}`;
+
+  return (
+    <Pill tone={tone} size="xs" className={className}>
+      {label}
+    </Pill>
+  );
+}
diff --git a/apps/ui/src/components/ui/TokenBadgeList.tsx b/apps/ui/src/components/ui/TokenBadgeList.tsx
new file mode 100644
index 00000000..5ad2fddb
--- /dev/null
+++ b/apps/ui/src/components/ui/TokenBadgeList.tsx
@@ -0,0 +1,28 @@
+import React from 'react';
+
+import { cn } from './cn';
+import { Pill } from './Pill';
+import type { Tone } from './variants';
+
+export interface TokenBadgeListProps {
+  items: Array<{ label: string; tone?: Tone }>;
+  className?: string;
+}
+
+/**
+ * A wrapped row of {@link Pill} chips for tag/token lists (genres, instruments,
+ * production techniques, …). Migrated from the retired MeasurementPrimitives
+ * layer; tones are restricted to the token palette (off-palette tones collapse
+ * to `neutral` at the call site).
+ */
+export function TokenBadgeList({ items, className }: TokenBadgeListProps) {
+  return (
+    <div className={cn('flex flex-wrap gap-1.5', className)}>
+      {items.map((item, index) => (
+        <Pill key={`${item.label}-${index}`} tone={item.tone ?? 'neutral'} size="sm">
+          {item.label}
+        </Pill>
+      ))}
+    </div>
+  );
+}
diff --git a/apps/ui/src/components/ui/index.ts b/apps/ui/src/components/ui/index.ts
index 05553333..7f18a0f5 100644
--- a/apps/ui/src/components/ui/index.ts
+++ b/apps/ui/src/components/ui/index.ts
@@ -9,6 +9,7 @@ export {
   type DataTableColumn,
   type DataTableProps,
 } from './DataTable';
+export { DeltaBadge, type DeltaBadgeProps } from './DeltaBadge';
 export {
   DeviceRack,
   deviceRackVariants,
@@ -41,4 +42,5 @@ export {
   type SignalStageStatus,
 } from './SignalChain';
 export { TimeReadout, type TimeReadoutProps } from './TimeReadout';
+export { TokenBadgeList, type TokenBadgeListProps } from './TokenBadgeList';
 export { Tooltip, TooltipProvider, type TooltipProps } from './Tooltip';
diff --git a/apps/ui/tests/services/mixDoctorPanel.test.ts b/apps/ui/tests/services/mixDoctorPanel.test.ts
index 296fa3ae..2c68669d 100644
--- a/apps/ui/tests/services/mixDoctorPanel.test.ts
+++ b/apps/ui/tests/services/mixDoctorPanel.test.ts
@@ -127,9 +127,9 @@ describe('MixDoctorPanel', () => {
     );
 
     expect(html).toContain('86/100');
-    expect(html).toContain('border-success/30 bg-success/10');
-    expect(html).toContain('border-warning/30 bg-warning/10');
-    expect(html).toContain('border-error/30 bg-error/10');
+    expect(html).toContain('bg-success/20');
+    expect(html).toContain('bg-warning/20');
+    expect(html).toContain('bg-error/20');
     expect(html).toContain('-1.8');
   });