add colour info to README

README.md

@@ -7,7 +7,9 @@ live website is currently built off of the `terminal` branch.
 
 Lines have a character limit of 120 where possible.
 
-## Theme Branches
+## Theming
+
+### Theme Branches
 
 I have branches for each theme for the website. Commits to `master` should be theme-independent commits, e.g. new
 posts. Theme branches should pull from `master` whenever there are new `master` commits. Commits exclusive to theme
@@ -16,6 +18,16 @@ branches should *only* be for changes relevant to the theme.
 Theme branches are what should be used to build the website. `master` should not be used for building/deployment, only
 to store common changes among all branches.
 
+### [Terminal](https://github.com/panr/hugo-theme-terminal)
+
+Colours taken from [gruvbox-material medium](https://github.com/sainnhe/gruvbox-material).
+
+| Element    | Colour    |
+| ---------- | --------- |
+| Background | `#282828` |
+| Foreground | `#d4be98` |
+| Accent     | `#a9b665` |
+
 ## Licensing
 
 The contents of this git repo are licensed under [GPLv3](https://www.gnu.org/licenses/gpl-3.0.txt). The contents of the