diff --git a/Makefile b/Makefile
index 3f0c954..d6df3ee 100644
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,7 @@ build-to-html:
 .PHONY: html/src/generated/Progress.md
 
 html/src/generated/Progress.md:
-	nu scripts/build-table > /dev/null
+	nu scripts/build-table
 
 html/book/Progress.html: html/src/generated/Progress.md
 	pandoc \
diff --git a/html/ProgressHeader.html b/html/ProgressHeader.html
index aed3338..8d6b85a 100644
--- a/html/ProgressHeader.html
+++ b/html/ProgressHeader.html
@@ -20,6 +20,7 @@
     display: flex;
     flex-direction: column;
     min-height: 48px;
+    gap: 2px;
     align-items: center;
     justify-content: center;
     aspect-ratio: 1;
diff --git a/scripts/build-table b/scripts/build-table
index 686515b..fbe3e70 100755
--- a/scripts/build-table
+++ b/scripts/build-table
@@ -10,9 +10,9 @@ let chapters = {
 }
 
 let gradients = [
-  [0, [90, 0, 0]],
+  [0, [60, 0, 0]],
   [0.65, [180, 180, 0]],
-  [1, [0, 90, 0]],
+  [1, [0, 120, 0]],
 ]
 
 let formatColor = {|color| $"rgb\(($color.0), ($color.1), ($color.2)\)" }
@@ -31,17 +31,20 @@ let interpColor = {|p|
   do $formatColor $color
 }
 
-let viz = { |k, n| 
-  let ratio = ($k / $n) | math round --precision 1
-  # let color = if n == 0 { "gray" } else if $ratio < 0.25 { "red" } else if $ratio < 0.5 { "orange"} else if $ratio < 0.75 { "yellow"} else { "green" }
-  let color = if $n == 0 { "gray" } else { do $interpColor ($k / $n) }
+let viz = { |k, n, cell| 
+  let ratio = $k / $n
+  let percent = $ratio * 100 | math round --precision 1
+  let color = if $n == 0 { "gray" } else { do $interpColor $ratio }
   let textColor = if $k == $n { "gold" } else { "white" }
+  let isExercise = $cell.0.section == "Exercise"
+  let percentStr = $"<small style=\"font-size: 0.7rem\">($percent)%</small>"
 
   $"<div class=\"cell\" style=\"
       background-color: ($color);
       color: ($textColor);
     \">
-    ($k)&nbsp;/&nbsp;($n)
+    <span>($k)&nbsp;/&nbsp;($n)</span>
+    (if ($isExercise) { $percentStr })
   </div>" | str replace -a "\n" ""
   # $n | math round --precision 1 
 }
@@ -80,7 +83,9 @@ let vizChapter = { |n|
   let table2 = $table
     | group-by section
     | transpose
-    | each { $in | update column1 { do $viz ($in | where completed == "x" | length) ($in | length) } }
+    | each { $in | update column1 {
+        do $viz ($in | where completed == "x" | length) ($in | length) $in
+      } }
     | sort-by -n column0
 
   let newColumn1 = { column0: "Ch", column1: (do $vizCh $n $table) }