diff --git a/include/libcamera/stream.h b/include/libcamera/stream.h
index 0c55e716..bea88eb4 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..300b3af7 100644
--- a/src/libcamera/stream.cpp
+++ b/src/libcamera/stream.cpp
@@ -329,6 +329,20 @@ StreamConfiguration::StreamConfiguration(const StreamFormats &formats)
  * \brief Requested number of buffers to allocate for the stream
  */
 
+/**
+ * \var StreamConfiguration::colorSpace
+ * \brief The ColorSpace for this stream
+ *
+ * A suitable color space may be set here or chosen by an application.
+ * Alternatively the color space may be left unset, in which case it will
+ * be up to the driver to choose a color space.
+ *
+ * If the system cannot deliver the requested color space, the validate()
+ * method will overwrite the value here with what it can deliver. Note that
+ * platforms may enforce extra contraints here, such as requiring all output
+ * streams to share the same color space.
+ */
+
 /**
  * \fn StreamConfiguration::stream()
  * \brief Retrieve the stream associated with the configuration