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diff --git a/web/tvl/logo/default.nix b/web/tvl/logo/default.nix
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+# Creates an output containing the logo in SVG format (animated and
+# static, one for each background colour) and without animations in
+# PNG.
+{ depot, lib, pkgs, ... }:
+
+let
+  palette = {
+    purple = "#CC99C9";
+    blue = "#9EC1CF";
+    green = "#9EE09E";
+    yellow = "#FDFD97";
+    orange = "#FEB144";
+    red = "#FF6663";
+  };
+
+  staticCss = colour: ''
+    #armchair-background {
+      fill: ${colour};
+    }
+  '';
+
+  # Create an animated CSS that equally spreads out the colours over
+  # the animation duration (1min).
+  animatedCss = colours: let
+    # Calculate at which percentage offset each colour should appear.
+    stepSize = 100 / ((builtins.length colours) - 1);
+    frames = lib.imap0 (idx: colour: { inherit colour; at = idx * stepSize; }) colours;
+    frameCss = frame: "${toString frame.at}% { fill: ${frame.colour}; }";
+  in ''
+    #armchair-background {
+      animation: 30s infinite alternate armchairPalette;
+    }
+
+    @keyframes armchairPalette {
+    ${lib.concatStringsSep "\n" (map frameCss frames)}
+    }
+  '';
+
+  # Dark version of the logo, suitable for light backgrounds.
+  darkCss = armchairCss: ''
+    .structure {
+      fill: #383838;
+    }
+    #letters {
+      fill: #fefefe;
+    }
+    ${armchairCss}
+  '';
+
+  # Light version, suitable for dark backgrounds.
+  lightCss = armchairCss: ''
+    .structure {
+      fill: #e4e4ef;
+    }
+    #letters {
+      fill: #181818;
+    }
+    ${armchairCss}
+  '';
+
+  logoShapes = builtins.readFile ./logo-shapes.svg;
+  logoSvg = style: ''
+    <svg xmlns="http://www.w3.org/2000/svg" xml:space="preserve" viewBox="420 860 1640 1500"
+         xmlns:xlink="http://www.w3.org/1999/xlink">
+      <style>${style}</style>
+      ${logoShapes}
+    </svg>
+  '';
+
+in depot.nix.readTree.drvTargets(lib.fix (self: {
+  # Expose the logo construction functions.
+  inherit palette darkCss lightCss animatedCss staticCss;
+
+  # Create a TVL logo SVG with the specified style.
+  logoSvg = style: pkgs.writeText "logo.svg" (logoSvg style);
+
+  # Create a PNG of the TVL logo with the specified style and DPI.
+  logoPng = style: dpi: pkgs.runCommandNoCC "logo.png" {} ''
+    ${pkgs.inkscape}/bin/inkscape \
+      --export-area-drawing \
+      --export-background-opacity 0 \
+      --export-dpi ${toString dpi} \
+      ${self.logoSvg style} -o $out
+  '';
+
+  # Animated dark SVG logo with all colours.
+  pastelRainbow = self.logoSvg (darkCss (animatedCss (lib.attrValues palette)));
+}
+
+# Add individual outputs for static dark logos of each colour.
+// (lib.mapAttrs'
+    (k: v: lib.nameValuePair "${k}Png"
+     (self.logoPng (darkCss (staticCss v)) 96)) palette)))