diff --git a/packages/dashboard/app/components/command-center/CommandCenter.css b/packages/dashboard/app/components/command-center/CommandCenter.css
index 26613efec4..a3a9c438e6 100644
--- a/packages/dashboard/app/components/command-center/CommandCenter.css
+++ b/packages/dashboard/app/components/command-center/CommandCenter.css
@@ -174,6 +174,9 @@ The GitHub closed-at backfill control lives inside the existing Fixed by Fusion
 /*
 FNXC:CommandCenterStyling 2026-06-18-22:31:
 FN-6680 keeps the FN-6664 live/chart shrink contract but replaces hardcoded track minima with spacing tokens after real Blink mobile probing showed jsdom cannot catch min-content overflow or crushed chart tracks.
+
+FNXC:CommandCenterStyling 2026-06-19-19:05:
+FN-6700 reduces the live-strip decorative accent gradient, glow, and sweep intensity so the main overview card reads calmer and stays consistent with the flat stat-card surface rhythm while preserving the surface layers and motion.
 */
 .cc-live-strip {
   position: relative;
@@ -185,9 +188,9 @@ FN-6680 keeps the FN-6664 live/chart shrink contract but replaces hardcoded trac
   border: 1px solid var(--border-subtle);
   border-radius: var(--radius-md);
   background:
-    linear-gradient(135deg, color-mix(in srgb, var(--accent) 14%, transparent), transparent),
+    linear-gradient(135deg, color-mix(in srgb, var(--accent) 7%, transparent), transparent),
     var(--surface-1);
-  box-shadow: 0 0 var(--space-lg) color-mix(in srgb, var(--accent) 18%, transparent);
+  box-shadow: 0 0 var(--space-lg) color-mix(in srgb, var(--accent) 9%, transparent);
   overflow: hidden;
   font-size: 0.8125rem;
 }
@@ -196,8 +199,8 @@ FN-6680 keeps the FN-6664 live/chart shrink contract but replaces hardcoded trac
   content: "";
   position: absolute;
   inset: 0;
-  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent) 24%, transparent), transparent);
-  opacity: 0.45;
+  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent) 10%, transparent), transparent);
+  opacity: 0.25;
   transform: translateX(-100%);
   animation: cc-live-signal-sweep calc(var(--duration-slow) * 8) linear infinite;
   pointer-events: none;
@@ -321,6 +324,9 @@ Overview token totals now live-poll and should visibly count up on change in bot
 /*
 FNXC:CommandCenterStyling 2026-06-18-00:00:
 Overview charts must use dashboard tokens only and keep motion decorative; animations use --duration-* values and are disabled for reduced-motion users so the graph-rich snapshot does not violate accessibility or the mobile scroll contract.
+
+FNXC:CommandCenterStyling 2026-06-19-19:05:
+FN-6700 tones down the overview chart-card diagonal accent, glow, and sheen so these primary cards retain their animated surface treatment without visually overpowering the flat stat-card rhythm.
 */
 .cc-overview-charts {
   min-inline-size: 0;
@@ -340,9 +346,9 @@ Overview charts must use dashboard tokens only and keep motion decorative; anima
   border: 1px solid var(--border-subtle);
   border-radius: var(--radius-md);
   background:
-    linear-gradient(145deg, color-mix(in srgb, var(--accent) 10%, transparent), transparent),
+    linear-gradient(145deg, color-mix(in srgb, var(--accent) 6%, transparent), transparent),
     var(--surface-1);
-  box-shadow: 0 0 var(--space-lg) color-mix(in srgb, var(--accent) 12%, transparent);
+  box-shadow: 0 0 var(--space-lg) color-mix(in srgb, var(--accent) 7%, transparent);
   overflow: hidden;
   animation: cc-overview-chart-rise var(--duration-normal) ease-out both;
 }
@@ -355,7 +361,7 @@ Overview charts must use dashboard tokens only and keep motion decorative; anima
   content: "";
   position: absolute;
   inset: 0;
-  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent) 16%, transparent), transparent);
+  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent) 8%, transparent), transparent);
   opacity: 0;
   pointer-events: none;
   animation: cc-overview-chart-sheen calc(var(--duration-slow) * 7) ease-in-out infinite;
diff --git a/packages/dashboard/app/components/command-center/__tests__/CommandCenter.token-validity.css.test.ts b/packages/dashboard/app/components/command-center/__tests__/CommandCenter.token-validity.css.test.ts
index ee53223fef..8dd14f737c 100644
--- a/packages/dashboard/app/components/command-center/__tests__/CommandCenter.token-validity.css.test.ts
+++ b/packages/dashboard/app/components/command-center/__tests__/CommandCenter.token-validity.css.test.ts
@@ -75,6 +75,63 @@ function collectReferencedProperties(css: string): Map<string, number[]> {
   return refs;
 }
 
+function extractRuleBlock(css: string, selector: string): string {
+  const ruleStart = css.indexOf(`${selector} {`);
+  expect(ruleStart, `Expected ${selector} to exist in CommandCenter.css`).toBeGreaterThanOrEqual(0);
+  const bodyStart = css.indexOf("{", ruleStart);
+  const bodyEnd = css.indexOf("\n}", bodyStart);
+  expect(bodyEnd, `Expected ${selector} rule to have a closing brace`).toBeGreaterThan(bodyStart);
+  return css.slice(bodyStart + 1, bodyEnd);
+}
+
+function collectAccentMixPercentages(ruleBlock: string): number[] {
+  const percentages: number[] = [];
+  const re = /color-mix\(in srgb,\s*var\(--accent\)\s*([0-9.]+)%,\s*transparent\)/g;
+  let m: RegExpExecArray | null;
+  while ((m = re.exec(ruleBlock)) !== null) {
+    percentages.push(Number(m[1]));
+  }
+  return percentages;
+}
+
+/*
+FNXC:CommandCenterStyling 2026-06-19-19:05:
+FN-6700 keeps the Command Center main overview cards subdued by guarding the decorative accent color-mix percentages on both card bases and their animated overlays while also proving the --surface-1 layer remains in place.
+*/
+describe("Command Center main-card gradient intensity (FN-6700)", () => {
+  const css = readFileSync(join(COMMAND_CENTER_DIR, "CommandCenter.css"), "utf8");
+  const subduedAccentCaps = [
+    { selector: ".cc-live-strip", cap: 10, requiresSurfaceBase: true },
+    { selector: ".cc-live-strip::before", cap: 10, requiresSurfaceBase: false },
+    { selector: ".cc-overview-chart-card", cap: 8, requiresSurfaceBase: true },
+    { selector: ".cc-overview-chart-card::before", cap: 8, requiresSurfaceBase: false },
+  ] as const;
+
+  it("keeps main-card decorative accent gradients and glows capped", () => {
+    const violations: string[] = [];
+    for (const { selector, cap } of subduedAccentCaps) {
+      const block = extractRuleBlock(css, selector);
+      const percentages = collectAccentMixPercentages(block);
+      expect(percentages.length, `Expected ${selector} to retain at least one accent color-mix treatment`).toBeGreaterThan(0);
+      percentages.forEach((percentage) => {
+        if (percentage > cap) violations.push(`${selector}: ${percentage}% exceeds ${cap}%`);
+      });
+    }
+    expect(violations, `Command Center main-card accent treatments should stay subdued:\n${violations.join("\n")}`).toEqual([]);
+  });
+
+  it("keeps the live strip and overview chart cards layered over --surface-1", () => {
+    const violations: string[] = [];
+    for (const { selector, requiresSurfaceBase } of subduedAccentCaps) {
+      if (!requiresSurfaceBase) continue;
+      const block = extractRuleBlock(css, selector);
+      if (!block.includes("linear-gradient(")) violations.push(`${selector}: missing decorative gradient layer`);
+      if (!block.includes("var(--surface-1)")) violations.push(`${selector}: missing --surface-1 base layer`);
+    }
+    expect(violations, `Command Center main-card surfaces should reduce gradients, not delete the layered surface:\n${violations.join("\n")}`).toEqual([]);
+  });
+});
+
 describe("Command Center CSS token validity (FN-6690)", () => {
   // Defined vocabulary = every --name: declared in styles.css, plus any
   // component-local properties assigned within Command Center CSS, plus