test black theme color

chains/mainnet/axelar.json

@@ -8,6 +8,7 @@
     "min_tx_fee": "800",
     "addr_prefix": "axelar",
     "logo": "/logos/axelar.svg",
+    "theme_color": "#000000",
     "assets": [{
         "base": "uaxl",
         "symbol": "AXL",

chains/mainnet/neutron.json

@@ -17,6 +17,6 @@
         "logo": "/logos/neutron.svg"
     }],
     "addr_prefix": "neutron",
-    "theme_color": "",
+    "theme_color": "#000000",
     "logo": "/logos/neutron.svg"
 }