diff --git a/Lib/idlelib/News3.txt b/Lib/idlelib/News3.txt
index 241b1f48e5c..fb07d7b3b3f 100644
--- a/Lib/idlelib/News3.txt
+++ b/Lib/idlelib/News3.txt
@@ -4,6 +4,8 @@ Released on 2024-10-xx
 =========================
 
 
+gh-78955: Use user-selected color theme for Help => IDLE Doc.
+
 gh-96905: In idlelib code, stop redefining built-ins 'dict' and 'object'.
 
 gh-72284: Improve the lists of features, editor key bindings,
diff --git a/Lib/idlelib/help.py b/Lib/idlelib/help.py
index bdf4b2b29f1..d8613b2eadd 100644
--- a/Lib/idlelib/help.py
+++ b/Lib/idlelib/help.py
@@ -33,6 +33,7 @@ from tkinter.ttk import Frame, Menubutton, Scrollbar, Style
 from tkinter import font as tkfont
 
 from idlelib.config import idleConf
+from idlelib.colorizer import color_config
 
 ## About IDLE ##
 
@@ -177,14 +178,16 @@ class HelpText(Text):
 
         normalfont = self.findfont(['TkDefaultFont', 'arial', 'helvetica'])
         fixedfont = self.findfont(['TkFixedFont', 'monaco', 'courier'])
+        color_config(self)
         self['font'] = (normalfont, 12)
         self.tag_configure('em', font=(normalfont, 12, 'italic'))
         self.tag_configure('h1', font=(normalfont, 20, 'bold'))
         self.tag_configure('h2', font=(normalfont, 18, 'bold'))
         self.tag_configure('h3', font=(normalfont, 15, 'bold'))
-        self.tag_configure('pre', font=(fixedfont, 12), background='#f6f6ff')
+        self.tag_configure('pre', font=(fixedfont, 12))
+        preback = self['selectbackground']
         self.tag_configure('preblock', font=(fixedfont, 10), lmargin1=25,
-                borderwidth=1, relief='solid', background='#eeffcc')
+                           background=preback)
         self.tag_configure('l1', lmargin1=25, lmargin2=25)
         self.tag_configure('l2', lmargin1=50, lmargin2=50)
         self.tag_configure('l3', lmargin1=75, lmargin2=75)
diff --git a/Misc/NEWS.d/next/IDLE/2018-09-23-01-36-39.bpo-34774.VeM-X-.rst b/Misc/NEWS.d/next/IDLE/2018-09-23-01-36-39.bpo-34774.VeM-X-.rst
new file mode 100644
index 00000000000..cac44b13f3f
--- /dev/null
+++ b/Misc/NEWS.d/next/IDLE/2018-09-23-01-36-39.bpo-34774.VeM-X-.rst
@@ -0,0 +1 @@
+Use user-selected color theme for Help => IDLE Doc.