diff --git a/headers/os/interface/InterfaceDefs.h b/headers/os/interface/InterfaceDefs.h
index 0f85a486de..82c4bb72ce 100644
--- a/headers/os/interface/InterfaceDefs.h
+++ b/headers/os/interface/InterfaceDefs.h
@@ -294,6 +294,7 @@ enum color_which {
 	B_CONTROL_TEXT_COLOR = 14,
 	B_CONTROL_BORDER_COLOR = 15,
 	B_CONTROL_HIGHLIGHT_COLOR = 16,
+	B_CONTROL_MARK_COLOR = 27,
 	B_NAVIGATION_BASE_COLOR = 4,
 	B_NAVIGATION_PULSE_COLOR = 17,
 	B_SHINE_COLOR = 18,
diff --git a/headers/private/app/ServerReadOnlyMemory.h b/headers/private/app/ServerReadOnlyMemory.h
index 6ceadfde25..821de0372d 100644
--- a/headers/private/app/ServerReadOnlyMemory.h
+++ b/headers/private/app/ServerReadOnlyMemory.h
@@ -26,23 +26,24 @@ static inline int32
 color_which_to_index(color_which which)
 {
 	// NOTE: this must be kept in sync with InterfaceDefs.h color_which!
-	if (which <= B_WINDOW_INACTIVE_BORDER_COLOR)
+	if (which <= B_CONTROL_MARK_COLOR)
 		return which - 1;
 	if (which >= B_SUCCESS_COLOR && which <= B_FAILURE_COLOR)
-		return which - B_SUCCESS_COLOR + B_WINDOW_INACTIVE_BORDER_COLOR;
+		return which - B_SUCCESS_COLOR + B_CONTROL_MARK_COLOR;
 
 	return -1;
 }
 
+
 static inline color_which
 index_to_color_which(int32 index)
 {
 	if (index >= 0 && index < kNumColors) {
-		if ((color_which)index < B_WINDOW_INACTIVE_BORDER_COLOR)
+		if ((color_which)index < B_CONTROL_MARK_COLOR)
 			return (color_which)(index + 1);
 		else {
 			return (color_which)(index + B_SUCCESS_COLOR
-			  - B_WINDOW_INACTIVE_BORDER_COLOR);
+			  - B_CONTROL_MARK_COLOR);
 		}
 	}
 
diff --git a/src/bin/WindowShade.cpp b/src/bin/WindowShade.cpp
index dcca8d2978..d8e29a64b1 100644
--- a/src/bin/WindowShade.cpp
+++ b/src/bin/WindowShade.cpp
@@ -43,6 +43,7 @@ static struct option const kLongOptions[] = {
 	I(control_text_color, B_CONTROL_TEXT_COLOR),
 	I(control_border_color, B_CONTROL_BORDER_COLOR),
 	I(control_highlight_color, B_CONTROL_HIGHLIGHT_COLOR),
+	I(control_mark_color, B_CONTROL_MARK_COLOR)
 	I(navigation_base_color, B_NAVIGATION_BASE_COLOR),
 	I(navigation_pulse_color, B_NAVIGATION_PULSE_COLOR),
 	I(shine_color, B_SHINE_COLOR),
diff --git a/src/kits/interface/ControlLook.cpp b/src/kits/interface/ControlLook.cpp
index cc3e6869c1..a0d8a11ec8 100644
--- a/src/kits/interface/ControlLook.cpp
+++ b/src/kits/interface/ControlLook.cpp
@@ -3197,10 +3197,7 @@ BControlLook::_RadioButtonAndCheckBoxMarkColor(const rgb_color& base,
 		return false;
 	}
 
-	// TODO: Get from UI settings
-	color.red = 27;
-	color.green = 82;
-	color.blue = 140;
+	color = ui_color(B_CONTROL_MARK_COLOR);
 
 	float mix = 1.0;
 
diff --git a/src/kits/interface/InterfaceDefs.cpp b/src/kits/interface/InterfaceDefs.cpp
index 1c53538c44..2a397a93a4 100644
--- a/src/kits/interface/InterfaceDefs.cpp
+++ b/src/kits/interface/InterfaceDefs.cpp
@@ -96,6 +96,7 @@ static const rgb_color _kDefaultColors[kNumColors] = {
 	{80, 80, 80, 255},		// B_WINDOW_INACTIVE_TEXT_COLOR
 	{224, 224, 224, 255},	// B_WINDOW_BORDER_COLOR
 	{232, 232, 232, 255},	// B_WINDOW_INACTIVE_BORDER_COLOR
+	{27, 82, 140, 255},     // B_CONTROL_MARK_COLOR
 	// 100...
 	{0, 255, 0, 255},		// B_SUCCESS_COLOR
 	{255, 0, 0, 255},		// B_FAILURE_COLOR
diff --git a/src/preferences/appearance/ColorSet.cpp b/src/preferences/appearance/ColorSet.cpp
index 757f711d8a..ccd6728f18 100644
--- a/src/preferences/appearance/ColorSet.cpp
+++ b/src/preferences/appearance/ColorSet.cpp
@@ -34,6 +34,7 @@ static ColorDescription sColorDescriptionTable[] =
 	{ B_CONTROL_TEXT_COLOR, B_TRANSLATE_MARK("Control text") },
 	{ B_CONTROL_BORDER_COLOR, B_TRANSLATE_MARK("Control border") },
 	{ B_CONTROL_HIGHLIGHT_COLOR, B_TRANSLATE_MARK("Control highlight") },
+	{ B_CONTROL_MARK_COLOR, B_TRANSLATE_MARK("Control mark") },
 	{ B_NAVIGATION_BASE_COLOR, B_TRANSLATE_MARK("Navigation base") },
 	{ B_NAVIGATION_PULSE_COLOR, B_TRANSLATE_MARK("Navigation pulse") },
 	{ B_SHINE_COLOR, B_TRANSLATE_MARK("Shine") },