Improve Blobbie Appearance (#4173)

Blobbies now select from a subset of predefined colors to form a basic radial gradient form the bottom right corner.

![image](https://github.com/user-attachments/assets/5b708533-506d-417d-ac49-2356aa0a2247)

<!-- start pr-codex -->

---

## PR-Codex overview
This PR updates the appearance of the Blobbie avatar in the ConnectWallet feature of `thirdweb`.

### Detailed summary
- Updated Blobbie appearance with unique gradient colors based on address
- Replaced complex color pairing logic with predefined color options
- Simplified Blobbie rendering logic for better performance

> ✨ Ask PR-Codex anything about this PR by commenting with `/codex {your question}`

<!-- end pr-codex -->

.changeset/dry-lies-nail.md

@@ -0,0 +1,5 @@
+---
+"thirdweb": patch
+---
+
+Update Blobbie appearance

packages/thirdweb/src/react/web/ui/ConnectWallet/Blobbie.tsx

@@ -1,17 +1,25 @@
 "use client";
 import { hexToNumber } from "@noble/curves/abstract/utils";
 import { useId, useMemo } from "react";
-import { type Address, numberToHex } from "viem";
+import type { Address } from "viem";
 
-// Distance between 2 colors (in RGB)
-type Color = [number, number, number];
-function hexToRgb(hex: string) {
-  return [
-    Number(hexToNumber(hex.slice(0, 2))),
-    Number(hexToNumber(hex.slice(2, 4))),
-    Number(hexToNumber(hex.slice(4, 6))),
-  ] satisfies [number, number, number];
-}
+const COLOR_OPTIONS = [
+  ["#fca5a5", "#b91c1c"],
+  ["#fdba74", "#c2410c"],
+  ["#fcd34d", "#b45309"],
+  ["#fde047", "#a16207"],
+  ["#a3e635", "#4d7c0f"],
+  ["#86efac", "#15803d"],
+  ["#67e8f9", "#0e7490"],
+  ["#7dd3fc", "#0369a1"],
+  ["#93c5fd", "#1d4ed8"],
+  ["#a5b4fc", "#4338ca"],
+  ["#c4b5fd", "#6d28d9"],
+  ["#d8b4fe", "#7e22ce"],
+  ["#f0abfc", "#a21caf"],
+  ["#f9a8d4", "#be185d"],
+  ["#fda4af", "#be123c"],
+];
 
 /**
  * A unique gradient avatar based on the provided address.
@@ -21,114 +29,22 @@ function hexToRgb(hex: string) {
  */
 export function Blobbie(props: { address: Address; size: number }) {
   const id = useId();
-  const colors: [string, string, string] = useMemo(() => {
-    const color = props.address.slice(2, 8);
-    const rgb = hexToRgb(color);
-
-    // To get well-paired colors, we use the first rgb hex sequence as our main color then find its two best pairs (split color wheel into thirds)
-    // To prevent extremely dark colors, which tend to clash, we don't allow values less than 55
-    const pairing1 = rgb.map((n) => (n + 85 > 255 ? n + 85 - 200 : n + 85));
-    const pairing2 = rgb.map((n) => (n - 85 < 55 ? n - 85 + 200 : n - 85));
-    return [
-      color,
-      pairing1.map((n) => numberToHex(n).replace("0x", "")).join(""),
-      pairing2.map((n) => numberToHex(n).replace("0x", "")).join(""),
-    ];
-  }, [props.address]);
-
-  const positions: [Color, Color, Color, Color, Color] = useMemo(() => {
-    const _positions: Color[] = [];
-    let i = 8;
-    while (i < 44) {
-      const values = hexToRgb(props.address.slice(i, i + 6));
-      _positions.push(values);
-      i += 6;
-    }
-    return _positions as [Color, Color, Color, Color, Color];
-  }, [props.address]);
-
-  console.log(colors);
+  const colors = useMemo(
+    () =>
+      COLOR_OPTIONS[
+        Number(hexToNumber(props.address.slice(2, 4))) % COLOR_OPTIONS.length
+      ] as [string, string],
+    [props.address],
+  );
 
   return (
-    <svg
-      height={`${props.size}px`}
-      style={{ background: "#FFFFFF" }}
-      width={`${props.size}px`}
-      role="presentation"
-      viewBox="0 0 500 500"
-      xmlns="http://www.w3.org/2000/svg"
-    >
-      <defs>
-        {colors.map((color, idx) => {
-          return (
-            <radialGradient
-              id={`${id}_grad${idx + 1}`}
-              cx="50%"
-              cy="50%"
-              r="50%"
-              key={`grad${
-                // biome-ignore lint/suspicious/noArrayIndexKey: Jonas said so
-                idx
-              }`}
-            >
-              <stop
-                offset="0%"
-                style={{ stopColor: `#${color}`, stopOpacity: 0.9 }}
-              />
-              <stop
-                offset="100%"
-                style={{ stopColor: `#${color}`, stopOpacity: 0 }}
-              />
-            </radialGradient>
-          );
-        })}
-      </defs>
-
-      <ellipse
-        cx="250"
-        cy="250"
-        rx="500"
-        ry="500"
-        fill={`url(#${id}_grad1)`}
-        opacity={0.5}
-      />
-      <ellipse
-        cx={400 + positions[0][0]}
-        cy={400 + positions[0][1]}
-        rx={350 + positions[0][2]}
-        ry={350 + positions[0][2]}
-        fill={`url(#${id}_grad1)`}
-      />
-      <ellipse
-        cx={positions[1][0]}
-        cy={positions[1][1]}
-        rx={350 + positions[1][2]}
-        ry={350 + positions[1][2]}
-        fill={`url(#${id}_grad2)`}
-      />
-      <ellipse
-        cx={400 + positions[2][0]}
-        cy={positions[2][1]}
-        rx={350 + positions[2][2]}
-        ry={350 + positions[2][2]}
-        fill={`url(#${id}_grad3)`}
-      />
-      <ellipse
-        cx={positions[3][0]}
-        cy={positions[3][1]}
-        rx={100 + positions[3][2]}
-        ry={100 + positions[3][2]}
-        fill={`url(#${id}_grad2)`}
-        opacity={0.5}
-      />
-      <ellipse
-        cx={positions[4][0]}
-        cy={positions[4][1]}
-        rx={100 + positions[4][2]}
-        ry={100 + positions[4][2]}
-        fill={`url(#${id}_grad3)`}
-        opacity={0.5}
-      />
-    </svg>
+    <div
+      id={id}
+      style={{
+        width: `${props.size}px`,
+        height: `${props.size}px`,
+        backgroundImage: `radial-gradient(ellipse at left bottom, ${colors[0]}, ${colors[1]})`,
+      }}
+    />
   );
 }

packages/thirdweb/src/react/web/ui/ConnectWallet/Details.tsx

@@ -213,7 +213,7 @@ export const ConnectedWalletDetails: React.FC<{
         style={{
           border: `1px solid ${theme.colors.borderColor}`,
           textOverflow: "ellipsis",
-          width: "115px",
+          minWidth: "115px",
           height: "50px",
           whiteSpace: "nowrap",
           borderRadius: `0 ${radius.md} ${radius.md} 0`,