diff --git a/src/lib/constants/brand.ts b/src/lib/constants/brand.ts
index 1f1c4027..cf2edc3c 100644
--- a/src/lib/constants/brand.ts
+++ b/src/lib/constants/brand.ts
@@ -21,5 +21,21 @@ export const BRAND = {
 	/** Home link target (welcome modal). */
 	home: import.meta.env.VITE_BRAND_HOME || 'https://pathsim.org',
 	/** Simulation framework name (welcome tagline). */
-	framework: import.meta.env.VITE_BRAND_FRAMEWORK || 'PathSim'
+	framework: import.meta.env.VITE_BRAND_FRAMEWORK || 'PathSim',
+	/**
+	 * Supplementary plot trace colors (used after trace 0, which takes the
+	 * accent). A re-branded build can override this so the palette doesn't clash
+	 * with its accent (e.g. a red-accent brand drops the leading red).
+	 */
+	tracePalette: [
+		'#E57373', // Red
+		'#81C784', // Green
+		'#64B5F6', // Blue
+		'#BA68C8', // Purple
+		'#4DD0E1', // Cyan
+		'#FFB74D', // Orange
+		'#F06292', // Pink
+		'#4DB6AC', // Teal
+		'#90A4AE' // Grey
+	]
 };
diff --git a/src/lib/plotting/core/constants.ts b/src/lib/plotting/core/constants.ts
index 4fd71893..1ded8c1d 100644
--- a/src/lib/plotting/core/constants.ts
+++ b/src/lib/plotting/core/constants.ts
@@ -3,6 +3,7 @@
  */
 
 import type { LineStyle, MarkerStyle } from './types';
+import { BRAND } from '$lib/constants/brand';
 
 // ============================================================
 // RENDER QUEUE CONFIGURATION
@@ -46,18 +47,8 @@ export function calculateGhostOpacity(ghostIndex: number, totalGhosts: number):
 // COLORS
 // ============================================================
 
-/** Supplementary trace colors (after accent) */
-export const TRACE_COLORS = [
-	'#E57373', // Red
-	'#81C784', // Green
-	'#64B5F6', // Blue
-	'#BA68C8', // Purple
-	'#4DD0E1', // Cyan
-	'#FFB74D', // Orange
-	'#F06292', // Pink
-	'#4DB6AC', // Teal
-	'#90A4AE' // Grey
-];
+/** Supplementary trace colors (after accent, which is trace 0), from the brand. */
+export const TRACE_COLORS = BRAND.tracePalette;
 
 /**
  * Get trace color for a signal index