diff --git a/NucleicRemote/NucleicRemote/Views/HomeView.swift b/NucleicRemote/NucleicRemote/Views/HomeView.swift
index 5447462..2259630 100644
--- a/NucleicRemote/NucleicRemote/Views/HomeView.swift
+++ b/NucleicRemote/NucleicRemote/Views/HomeView.swift
@@ -196,8 +196,12 @@ struct ActivityGrid: View {
                 VStack(spacing: gap) {
                     ForEach(0..<7, id: \.self) { row in
                         let date = cal.date(byAdding: .day, value: col * 7 + row, to: gridStart)!
+                        let isFuture = date > today
+                        let isFrozen = !isFuture && frozenDays.contains(date)
                         RoundedRectangle(cornerRadius: 2)
-                            .fill(date > today ? Color.clear : Palette.activity(level: Self.level(activityByDay[date] ?? 0)))
+                            .fill(isFuture ? Color.clear
+                                : isFrozen ? Palette.frozen
+                                : Palette.activity(level: Self.level(activityByDay[date] ?? 0)))
                             .frame(width: cell, height: cell)
                     }
                 }