diff --git a/.github/workflows/validate-schema.yml b/.github/workflows/validate-schema.yml
index d3cb911..1637f56 100644
--- a/.github/workflows/validate-schema.yml
+++ b/.github/workflows/validate-schema.yml
@@ -29,15 +29,12 @@ jobs:
           # Extract all aliases and their protocols, then check for duplicates
           jq -r 'to_entries | .[] | .key as $protocol | .value.aliases[] | [$protocol, .] | @tsv' color-palettes.json | \
           awk -F '\t' '{
-            # Store the original alias
-            original_alias = $2
-            # Convert alias to lowercase for case-insensitive comparison
-            alias = tolower(original_alias)
+            alias = $2
             
-            # Check if this exact alias has been seen before (only comparing aliases)
-            if (seen[alias]) {
+            # Check if this exact alias has been seen for a different protocol.
+            if (seen[alias] && seen[alias] != $1) {
               printf "Error: Duplicate alias \"%s\" found in protocols \"%s\" and \"%s\"\n", 
-                     original_alias, seen[alias], $1
+                     alias, seen[alias], $1
               exit 1
             }
             
diff --git a/color-palettes.json b/color-palettes.json
index a62115e..9afdf33 100644
--- a/color-palettes.json
+++ b/color-palettes.json
@@ -1735,6 +1735,10 @@
     "hex": "#5d69b1",
     "aliases": ["lending"]
   },
+  "payments": {
+    "hex": "#99c945",
+    "aliases": ["payments"]
+  },
   "bridge": {
     "hex": "#52bca3",
     "aliases": ["bridge"]
@@ -1831,6 +1835,70 @@
     "hex": "#0EA5E9",
     "aliases": ["exa"]
   },
+  "MPP": {
+    "hex": "#14B8A6",
+    "aliases": ["mpp", "Mpp"]
+  },
+  "X402": {
+    "hex": "#7C3AED",
+    "aliases": ["x402"]
+  },
+  "B2B": {
+    "hex": "#475569",
+    "aliases": ["b2b"]
+  },
+  "C2B": {
+    "hex": "#059669",
+    "aliases": ["c2b"]
+  },
+  "B2C": {
+    "hex": "#4F46E5",
+    "aliases": ["b2c"]
+  },
+  "C2B - Cards": {
+    "hex": "#16A34A",
+    "aliases": ["c2b - cards"]
+  },
+  "C2B - Other": {
+    "hex": "#84CC16",
+    "aliases": ["c2b - other"]
+  },
+  "B2B - Agentic": {
+    "hex": "#818CF8",
+    "aliases": ["b2b - agentic"]
+  },
+  "B2B - Other": {
+    "hex": "#94A3B8",
+    "aliases": ["b2b - other"]
+  },
+  "Cards": {
+    "hex": "#EA580C",
+    "aliases": ["cards"]
+  },
+  "Agentic": {
+    "hex": "#D946EF",
+    "aliases": ["agentic"]
+  },
+  "BVNK": {
+    "hex": "#1E40AF",
+    "aliases": ["bvnk"]
+  },
+  "Coinbase Commerce": {
+    "hex": "#0052FF",
+    "aliases": ["coinbase_commerce", "coinbase commerce"]
+  },
+  "Request Network": {
+    "hex": "#00E6A0",
+    "aliases": ["request_network", "request network", "requestnetwork"]
+  },
+  "Shopify CPP": {
+    "hex": "#95BF47",
+    "aliases": ["shopify_base_cpp", "shopify base cpp", "shopify_cpp"]
+  },
+  "Stripe": {
+    "hex": "#635BFF",
+    "aliases": ["stripe"]
+  },
   "MRDN": {
     "hex": "#10B981",
     "aliases": ["mrdn", "meridian"]