Format product color labels

src/displayFormatters.ts

@@ -24,3 +24,18 @@ export const formatDisplayName = (value: string) => {
     })
     .join(' ');
 };
+
+export const formatColorLabel = (value: string) => {
+  const normalized = String(value || '').replace(/\s+/g, ' ').trim();
+  if (!normalized) return '';
+  if (normalized.toLocaleLowerCase('pt-BR') === 'sem cor') return 'Sem cor';
+
+  return normalized
+    .toLocaleLowerCase('pt-BR')
+    .split(' ')
+    .map((word, index) => {
+      if (index > 0 && SMALL_WORDS.has(word)) return word;
+      return word.charAt(0).toLocaleUpperCase('pt-BR') + word.slice(1);
+    })
+    .join(' ');
+};