diff --git a/metrics/Dockerfile b/metrics/Dockerfile
index 56788fa..cd22db6 100644
--- a/metrics/Dockerfile
+++ b/metrics/Dockerfile
@@ -3,7 +3,7 @@ RUN cargo install rust-code-analysis-cli
 WORKDIR /code/
 RUN git clone https://gitea.parrrate.ru/PTV/radn-rs.git
 WORKDIR /code/radn-rs/
-RUN git fetch && git checkout e8142ba869bffa60d9a3a809d1c7e2093afd8ba5
+RUN git fetch && git checkout 5973fe94eb24d3bf7008eea27ef0ee42c59a60ef
 COPY metrics.py /code/metrics.py
 RUN python3 /code/metrics.py
 FROM python:3.11
diff --git a/metrics/render.py b/metrics/render.py
index 965bbc5..f818bbd 100644
--- a/metrics/render.py
+++ b/metrics/render.py
@@ -4,20 +4,39 @@ import json
 import matplotlib.pyplot as plt
 import numpy as np
 
-plt.rcParams['figure.figsize'] = [18, 9]
-plt.style.use('dark_background')
+plt.rcParams["figure.figsize"] = [18, 9]
+plt.style.use("dark_background")
 plt.subplots_adjust(left=0.05, right=0.99, top=0.95, bottom=0.05)
 
-with open('metrics.json', 'r') as file:
+
+def colour(k: int):
+    k, r = divmod(k, 256)
+    k, g = divmod(k, 256)
+    k, b = divmod(k, 256)
+    return r, g, b
+
+
+with open("metrics.json", "r") as file:
     entries = json.load(file)
 
+h_colour = True
+
 units = []
 for i, entry in entries:
     x = i
     y = entry["metrics"]["halstead"]["difficulty"] or 0.0
-    y += (hash(entry["name"]) % 201 - 100) / 500
-    c = entry["metrics"]["halstead"]["bugs"] or 0.0
-    units.append((x, y, c))
-X, Y, C = np.array(units).transpose()
+    nh = hash(entry["name"])
+    y += (nh % 201 - 100) / 500
+    if h_colour:
+        r, g, b = colour(nh)
+        units.append((x, y, r, g, b))
+    else:
+        c = entry["metrics"]["halstead"]["bugs"] or 0.0
+        units.append((x, y, c))
+if h_colour:
+    X, Y, R, G, B = np.array(units).transpose()
+    C = np.array([R, G, B]).transpose() / 255
+else:
+    X, Y, C = np.array(units).transpose()
 plt.scatter(-X, Y, s=2.0, c=C)
-plt.savefig('/code/metrics.png')
+plt.savefig("/code/metrics.png")