diff --git a/src/management/oauth-port-diagnostics.ts b/src/management/oauth-port-diagnostics.ts
index 48db2348..806a97cc 100644
--- a/src/management/oauth-port-diagnostics.ts
+++ b/src/management/oauth-port-diagnostics.ts
@@ -164,7 +164,7 @@ export async function checkAllOAuthPorts(): Promise<OAuthPortDiagnostic[]> {
  * Check OAuth ports for providers that use Authorization Code flow only
  */
 export async function checkAuthCodePorts(): Promise<OAuthPortDiagnostic[]> {
-  const providers: CLIProxyProvider[] = ['gemini', 'codex', 'agy', 'kiro', 'claude'];
+  const providers: CLIProxyProvider[] = ['gemini', 'codex', 'agy', 'iflow', 'kiro', 'claude'];
   const results: OAuthPortDiagnostic[] = [];
 
   for (const provider of providers) {
diff --git a/ui/src/lib/provider-config.ts b/ui/src/lib/provider-config.ts
index 764adf51..72cb9808 100644
--- a/ui/src/lib/provider-config.ts
+++ b/ui/src/lib/provider-config.ts
@@ -24,7 +24,7 @@ export const PROVIDER_COLORS: Record<string, string> = {
   qwen: '#6236FF',
   kiro: '#4d908e', // Dark Cyan (AWS-inspired)
   ghcp: '#43aa8b', // Seaweed (GitHub-inspired)
-  claude: '#D97706', // Anthropic orange
+  claude: '#D97757', // Anthropic brand color (matches SVG)
 };
 
 // Provider display names
diff --git a/ui/src/pages/settings/sections/proxy/index.tsx b/ui/src/pages/settings/sections/proxy/index.tsx
index 0009b164..38879cc2 100644
--- a/ui/src/pages/settings/sections/proxy/index.tsx
+++ b/ui/src/pages/settings/sections/proxy/index.tsx
@@ -29,7 +29,7 @@ import { api } from '@/lib/api-client';
 const DEBUG_MODE_KEY = 'ccs_debug_mode';
 
 /** Providers only available on CLIProxyAPIPlus */
-const PLUS_ONLY_PROVIDERS = ['kiro', 'ghcp', 'claude'];
+const PLUS_ONLY_PROVIDERS = ['kiro', 'ghcp'];
 
 export default function ProxySection() {
   const {