diff --git a/include/libcamera/stream.h b/include/libcamera/stream.h
index 41ec02b1..f0ae7e62 100644
--- a/include/libcamera/stream.h
+++ b/include/libcamera/stream.h
@@ -12,6 +12,7 @@
 #include <string>
 #include <vector>
 
+#include <libcamera/color_space.h>
 #include <libcamera/framebuffer.h>
 #include <libcamera/geometry.h>
 #include <libcamera/pixel_format.h>
@@ -47,6 +48,8 @@ struct StreamConfiguration {
 
 	unsigned int bufferCount;
 
+	std::optional<ColorSpace> colorSpace;
+
 	Stream *stream() const { return stream_; }
 	void setStream(Stream *stream) { stream_ = stream; }
 	const StreamFormats &formats() const { return formats_; }
diff --git a/src/libcamera/stream.cpp b/src/libcamera/stream.cpp
index b421e17e..686e693b 100644
--- a/src/libcamera/stream.cpp
+++ b/src/libcamera/stream.cpp
@@ -329,6 +329,26 @@ StreamConfiguration::StreamConfiguration(const StreamFormats &formats)
  * \brief Requested number of buffers to allocate for the stream
  */
 
+/**
+ * \var StreamConfiguration::colorSpace
+ * \brief The ColorSpace for this stream
+ *
+ * This field allows a ColorSpace to be selected for this Stream.
+ *
+ * The field is optional and an application can choose to leave it unset.
+ * Platforms that support the use of color spaces may provide default
+ * values through the generateConfiguration() method. An application can
+ * override these when necessary.
+ *
+ * If a specific ColorSpace is requested but the Camera cannot deliver it,
+ * then the StreamConfiguration will be adjusted to a value that can be
+ * delivered. In this case the validate() method will indicate via its
+ * return value that the CameraConfiguration has been adjusted.
+ *
+ * Note that platforms will typically have different constraints on what
+ * color spaces can be supported and in what combinations.
+ */
+
 /**
  * \fn StreamConfiguration::stream()
  * \brief Retrieve the stream associated with the configuration
