Add the 'quick' colorset to the docs

README.md

@@ -73,7 +73,7 @@ ra.setZoom(8);
 
 ## Drawing pixels
 
-Clearing the display can be done using the `fillBackground` method. Raster.js uses a limited color palette, just like many retro computer systems, limited to at most 256 colors. The default palette can be found in the "colors" section. Functions that require a color parameter, such as `fillBackground`, therefore only require a single numerical parameter, which uses that color from the palette.
+Clearing the display can be done using the `fillBackground` method. Raster.js uses a limited color palette, just like many retro computer systems, limited to at most 256 colors. The default palette can be found in the "colors" section below. Functions that require a color parameter, such as `fillBackground`, therefore only require a single numerical parameter, which uses that color from the palette.
 
 ```
 ra.fillBackground(12);
@@ -155,6 +155,14 @@ Change the zoom level.
 
 Use a specific colorSet. See `useColors` in the docs for supported colorSets.
 
+# Colors
+
+The current default colorset for raster.js is the "quick" palette, shown here:
+
+![](asset/quick-colorset.png)
+
+This is likely to change in a future version. Users should either add `ra.useColors('quick')` to their code, or be prepared to update the colors they use once this change happens.
+
 # API
 
 See [the docs](docs.md) for the full documentation of the methods avaiable in raster.js.

docs.md

@@ -33,8 +33,15 @@ Move the x,y coordinate system's origin to the center of the plane, instead of t
 
 Assigns the color set to use for displaying the scene. May either be the name of a pre-existing color set, or a list of rgb values.
 
+If not invoked, the current default colorset is this:
+![](asset/quick-colorset.png)
+
+This will likely change in the future: call `useColors('quick')` unless you want to modify your scripts in the future.
+
 Names of pre-existing color sets:
 
+`quick`: The current default colorset, shown above. 64 colors, a quick and simple rainbow palette.
+
 `dos`: Colors used by the DOS operating system. TODO: Specify which video standard.
 
 `nes`: Colors used by the NES 8-bit console.