diff --git a/README.md b/README.md
index a380504..a9206e0 100644
--- a/README.md
+++ b/README.md
@@ -51,6 +51,7 @@ This is a list of classless CSS themes and frameworks.  "Classless" means a styl
     + [Barrel.css](#barrelcss)
     + [Chota](#chota)
     + [Fylgja](#fylgja)
+    + [matcha.css](#matchacss)
     + [Milligram](#milligram)
     + [mini.css](#minicss)
     + [mono](#mono)
@@ -658,6 +659,19 @@ These are frameworks that do not force you to apply their classes to many elemen
 [![fylgja.png](thumbnail/fylgja.png)](screenshot/fylgja.png)
 
 
+### matcha.css
+
+- [Repository](https://github.com/lowlighter/matcha)
+  ![GitHub stars](https://img.shields.io/github/stars/lowlighter/matcha?style=flat-square)
+  ![GitHub contributors](https://img.shields.io/github/contributors-anon/lowlighter/matcha?style=flat-square)
+  ![Last commit](https://img.shields.io/github/last-commit/lowlighter/matcha?style=flat-square)
+  ![GitHub open issues](https://img.shields.io/github/issues-raw/lowlighter/matcha?style=flat-square)
+  ![GitHub closed issues](https://img.shields.io/github/issues-closed-raw/lowlighter/matcha?style=flat-square)
+- [Demo](https://matcha.mizu.sh/)
+
+[![matcha.css.png](thumbnail/matcha.css.png)](screenshot/matcha.css.png)
+
+
 ### Milligram
 
 - [Repository](https://github.com/milligram/milligram)
diff --git a/data/projects.toml b/data/projects.toml
index 1ca78e2..8511e0c 100644
--- a/data/projects.toml
+++ b/data/projects.toml
@@ -393,6 +393,14 @@ website = "https://fylgja.dev/features/native-styles/"
 screenshots = ["fylgja.png"]
 tags = ["class-light"]
 
+["matcha.css"]
+demo = "https://matcha.mizu.sh/"
+github = "lowlighter/matcha"
+note = ""
+website = ""
+screenshots = ["matcha.css.png"]
+tags = ["class-light"]
+
 [Milligram]
 demo = "https://milligram.io/"
 github = "milligram/milligram"
diff --git a/screenshot/matcha.css.png b/screenshot/matcha.css.png
new file mode 100644
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diff --git a/thumbnail/matcha.css.png b/thumbnail/matcha.css.png
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