diff --git a/solarized-definitions.el b/solarized-definitions.el
index 67c4076..dfdb95b 100644
--- a/solarized-definitions.el
+++ b/solarized-definitions.el
@@ -284,7 +284,17 @@ will use the 256 degraded color mode."
           ((t (:foreground ,yellow :weight ,bold :slant ,italic))))
          (message-header-subject ((t (:foreground ,base00))))
          (message-header-cc ((t (:foreground ,green :weight ,bold))))
-         (message-header-to ((t (:foreground ,base1 :weight ,bold)))))
+         (message-header-to ((t (:foreground ,base1 :weight ,bold))))
+         ;; rainbow-delimiters
+         (rainbow-delimiters-depth-1-face ((t (:foreground ,cyan))))
+         (rainbow-delimiters-depth-2-face ((t (:foreground ,yellow))))
+         (rainbow-delimiters-depth-3-face ((t (:foreground ,blue))))
+         (rainbow-delimiters-depth-4-face ((t (:foreground ,red))))
+         (rainbow-delimiters-depth-5-face ((t (:foreground ,green))))
+         (rainbow-delimiters-depth-6-face ((t (:foreground ,blue))))
+         (rainbow-delimiters-depth-7-face ((t (:foreground ,orange))))
+         (rainbow-delimiters-depth-8-face ((t (:foreground ,magenta))))
+         (rainbow-delimiters-depth-9-face ((t (:foreground ,base0)))))
         ((foreground-color . ,base0)
          (background-color . ,base03)
          (background-mode . ,mode)