diff --git a/docs/AUTHORS.txt b/docs/AUTHORS.txt
index 19b73878c..bc1f1474f 100644
--- a/docs/AUTHORS.txt
+++ b/docs/AUTHORS.txt
@@ -6,7 +6,7 @@ Copyright (c) 2002-2023
 Various contributors (see below, and CHANGES.txt)
 https://tuxpaint.org/
 
-June 17, 2002 - March 7, 2023
+June 17, 2002 - March 8, 2023
 
 * Design and Coding:
 
@@ -156,7 +156,13 @@ June 17, 2002 - March 7, 2023
   Saturate & Desaturate sounds: "can lid.wav"
   (https://freesound.org/people/Saltbearer/sounds/545742/)
   Creative Commons 0 License (CC0 1.0)
-  by Guy McPherson ("Saltbearer")
+  by Guy McPherson
+
+  Keep Color & Remove Colore sounds:
+  "Ethnic drums » ethnic beat6.wav" & "...7.wav"
+  (https://freesound.org/people/tootoos24/sounds/677558/ &
+  https://freesound.org/people/tootoos24/sounds/677559/)
+  Creative Commons 0 License (CC0 1.0) by Dmitry Lastovsky
 
   Mouse accessibility code and keyboard access
   Ankit Choudary <ankit.goaldecided@gmail.com>, as part of GSOC 2010,
diff --git a/docs/CHANGES.txt b/docs/CHANGES.txt
index 253369deb..879dc753e 100644
--- a/docs/CHANGES.txt
+++ b/docs/CHANGES.txt
@@ -7,7 +7,7 @@ Various contributors (see below, and AUTHORS.txt)
 https://tuxpaint.org/
 
 
-2023.March.7 (0.9.29)
+2023.March.8 (0.9.29)
   * Improvements to "Stamp" tool:
     -----------------------------
     * Stamps may now be rotated.
@@ -63,13 +63,14 @@ https://tuxpaint.org/
       (Sounds based on "can lid.wav", Creative Commons 0 (CC0 1.0)
       by https://freesound.org/people/Saltbearer/)
 
-    * [WIP] "Keep Color" & "Remove Color" - Completely desaturate
+    * "Keep Color" & "Remove Color" - Completely desaturate
       parts of the picture, based on the chosen color.
       "Keep" keeps the saturation intact if the colors match;
       while "Remove" desaturates parts of the image that match the
       chosen color.
       Bill Kendrick <bill@newbreedsoftware.com>
-      - need sound effects
+      (Sounds based on "Ethnic drums » ethnic beat6.wav" and "...7.wav",
+      Creative Commons 0 (CC0 1.0) by https://freesound.org/people/tootoos24/)
 
     * [WIP] "Kaleido-4", "-6", and "-8" -- Kaleidoscopic lens effects.
       Bill Kendrick <bill@newbreedsoftware.com>
diff --git a/magic/sounds/keep_color.ogg b/magic/sounds/keep_color.ogg
new file mode 100644
index 000000000..13fdc4247
Binary files /dev/null and b/magic/sounds/keep_color.ogg differ
diff --git a/magic/sounds/remove_color.ogg b/magic/sounds/remove_color.ogg
new file mode 100644
index 000000000..340c39271
Binary files /dev/null and b/magic/sounds/remove_color.ogg differ
diff --git a/magic/src/fade_darken.c b/magic/src/fade_darken.c
index 4bff55be4..9310c2dfb 100644
--- a/magic/src/fade_darken.c
+++ b/magic/src/fade_darken.c
@@ -84,8 +84,8 @@ char * sfx_filenames[NUM_TOOLS] = {
   "darken.wav",
   "desaturate.ogg",
   "saturate.ogg",
-  "remove_color.wav",
-  "keep_color.wav",
+  "remove_color.ogg",
+  "keep_color.ogg",
 };
 
 char * icon_filenames[NUM_TOOLS] = {