diff --git a/src/utils/is-color.ts b/src/utils/is-color.ts
index 71d325d..8bbaa0e 100644
--- a/src/utils/is-color.ts
+++ b/src/utils/is-color.ts
@@ -203,14 +203,13 @@ const IS_COLOR_FN = /^(rgba?|hsla?|hwb|color|(ok)?(lab|lch)|light-dark|color-mix
 export function isColor(value: string, theme?: CustomThemeConfig): boolean {
     if (!value) return false
 
-    let isThemeColor = false
-
-    if (theme) {
-        const [trueValue,] = segment(value, '/')
-        isThemeColor = !!trueValue.split('-').reduce((acc, val) => acc[val], theme.colors as any);
-    }
+    const isThemeColor =
+    theme &&
+    !!segment(value, "/")?.[0]
+      .split("-")
+      .reduce((acc, val) => acc[val], theme.colors as any);
 
     return (
         value.charCodeAt(0) === HASH || IS_COLOR_FN.test(value) || NAMED_COLORS.has(value.toLowerCase()) || isThemeColor
     )
-}
\ No newline at end of file
+}