diff --git a/src/ol/types.js b/src/ol/types.js
index 59724ec798..895be0128f 100644
--- a/src/ol/types.js
+++ b/src/ol/types.js
@@ -27,6 +27,13 @@
  * @api
  */
 
+/**
+ * An array with two elements, representing a pixel. The first element is the
+ * x-coordinate, the second the y-coordinate of the pixel.
+ * @typedef {Array.<number>} Pixel
+ * @api
+ */
+
 /**
  * @typedef {function(module:ol/PluggableMap~PluggableMap, ?olx.FrameState): boolean} PostRenderFunction
  */