diff --git a/web/routes/temas/color/+page.ts b/web/routes/temas/color/+page.ts
index fdab8edc5..2b47e88e5 100644
--- a/web/routes/temas/color/+page.ts
+++ b/web/routes/temas/color/+page.ts
@@ -1,2 +1,6 @@
-// Live demo of the Eidos color system — no static prerender.
+// Live demo of the Eidos color system — client-rendered. It is an interactive tool
+// (no SEO/SSR need), and ssr:false avoids the Svelte `<input type="color">`
+// hydration warning (hydration momentarily sets the value to "" before applying the
+// real hex; with no SSR there is no hydration). SSR HTML was already valid.
 export const prerender = false
+export const ssr = false