diff --git a/app/map_styles/polygon.xml b/app/map_styles/polygon.xml
index eba544a0..b4fb4163 100644
--- a/app/map_styles/polygon.xml
+++ b/app/map_styles/polygon.xml
@@ -1025,51 +1025,51 @@
     <Style name="typology_style_period">
         <Rule>
             <Filter>[typology_style_period] = "Roman (43AD-410)"</Filter>
-            <PolygonSymbolizer fill="#00B2CB" />
+            <PolygonSymbolizer fill="#a35" />
         </Rule>
         <Rule>
             <Filter>[typology_style_period] = "Medieval (410-1485)"</Filter>
-            <PolygonSymbolizer fill="#00A9C6" />
+            <PolygonSymbolizer fill="#c66" />
         </Rule>
         <Rule>
             <Filter>[typology_style_period] = "Tudor (1485-1603)"</Filter>
-            <PolygonSymbolizer fill="#0097BC" />
+            <PolygonSymbolizer fill="#e94" />
         </Rule>
         <Rule>
             <Filter>[typology_style_period] = "Stuart (1603 -1714)"</Filter>
-            <PolygonSymbolizer fill="#008EB7" />
+            <PolygonSymbolizer fill="#ed0" />
         </Rule>
         <Rule>
             <Filter>[typology_style_period] = "Georgian (1714-1837)"</Filter>
-            <PolygonSymbolizer fill="#0085B2" />
+            <PolygonSymbolizer fill="#9d5" />
         </Rule>
         <Rule>
             <Filter>[typology_style_period] = "Victorian (1837-1901)"</Filter>
-            <PolygonSymbolizer fill="#007CAD" />
+            <PolygonSymbolizer fill="#4d8" />
         </Rule>
         <Rule>
             <Filter>[typology_style_period] = "Edwardian (1901-1914)"</Filter>
-            <PolygonSymbolizer fill="#0073A8" />
+            <PolygonSymbolizer fill="#2cb" />
         </Rule>
         <Rule>
             <Filter>[typology_style_period] = "WWI - WWII (1914-45)"</Filter>
-            <PolygonSymbolizer fill="#006AA3" />
+            <PolygonSymbolizer fill="#0bc" />
         </Rule>
         <Rule>
             <Filter>[typology_style_period] = "Post war (1945-1975)"</Filter>
-            <PolygonSymbolizer fill="#004F94" />
+            <PolygonSymbolizer fill="#09c" />
         </Rule>
         <Rule>
             <Filter>[typology_style_period] = "Postmodern (1975-1990)"</Filter>
-            <PolygonSymbolizer fill="#00468F" />
+            <PolygonSymbolizer fill="#36b" />
         </Rule>
         <Rule>
             <Filter>[typology_style_period] = "1990s"</Filter>
-            <PolygonSymbolizer fill="#003D8A" />
+            <PolygonSymbolizer fill="#639" />
         </Rule>
         <Rule>
             <Filter>[typology_style_period] = "2000s"</Filter>
-            <PolygonSymbolizer fill="#003485" />
+            <PolygonSymbolizer fill="#949" />
         </Rule>
 
         <Rule>
@@ -1086,19 +1086,19 @@
     <Style name="typology_dynamic_classification">
         <Rule>
             <Filter>[typology_dynamic_classification] = "Repetitive small, domestic plots"</Filter>
-            <PolygonSymbolizer fill="#F2E5FF" />
+            <PolygonSymbolizer fill="#96484A" />
         </Rule>
         <Rule>
             <Filter>[typology_dynamic_classification] = "Linear non-domestic, i.e. high streets"</Filter>
-            <PolygonSymbolizer fill="#CBABEA" />
+            <PolygonSymbolizer fill="#4B9889" />
         </Rule>
         <Rule>
             <Filter>[typology_dynamic_classification] = "Large plots with internal roads"</Filter>
-            <PolygonSymbolizer fill="#A272D4" />
+            <PolygonSymbolizer fill="#4F8DA8" />
         </Rule>
         <Rule>
             <Filter>[typology_dynamic_classification] = "Other"</Filter>
-            <PolygonSymbolizer fill="#EEEEEE" />
+            <PolygonSymbolizer fill="#897A5D" />
         </Rule>
 
         <Rule>
diff --git a/app/src/frontend/config/category-maps-config.ts b/app/src/frontend/config/category-maps-config.ts
index 6f37301b..61ee2d5e 100644
--- a/app/src/frontend/config/category-maps-config.ts
+++ b/app/src/frontend/config/category-maps-config.ts
@@ -322,18 +322,18 @@ export const categoryMapsConfig: {[key in Category]: CategoryMapDefinition[]} =
             legend: {
                 title: 'Architectural style',
                 elements: [
-                    { color: '#00B2CB', text: 'Roman (43AD-410)' },
-                    { color: '#00A9C6', text: 'Medieval (410-1485)' },
-                    { color: '#0097BC', text: 'Tudor (1485-1603)' },
-                    { color: '#008EB7', text: 'Stuart (1603 -1714)' },
-                    { color: '#0085B2', text: 'Georgian (1714-1837)' },
-                    { color: '#007CAD', text: 'Victorian (1837-1901)' },
-                    { color: '#0073A8', text: 'Edwardian (1901-1914)' },
-                    { color: '#006AA3', text: 'WWI - WWII (1914-45)' },
-                    { color: '#004F94', text: 'Post war (1945-1975)' },
-                    { color: '#00468F', text: 'Postmodern (1975-1990)' },
-                    { color: '#003D8A', text: '1990s' },
-                    { color: '#003485', text: '2000s' },
+                    { color: '#a35', text: 'Roman (43AD-410)' },
+                    { color: '#c66', text: 'Medieval (410-1485)' },
+                    { color: '#e94', text: 'Tudor (1485-1603)' },
+                    { color: '#ed0', text: 'Stuart (1603 -1714)' },
+                    { color: '#9d5', text: 'Georgian (1714-1837)' },
+                    { color: '#4d8', text: 'Victorian (1837-1901)' },
+                    { color: '#2cb', text: 'Edwardian (1901-1914)' },
+                    { color: '#0bc', text: 'WWI - WWII (1914-45)' },
+                    { color: '#09c', text: 'Post war (1945-1975)' },
+                    { color: '#36b', text: 'Postmodern (1975-1990)' },
+                    { color: '#639', text: '1990s' },
+                    { color: '#949', text: '2000s' },
                 ]
             }
         },
@@ -342,10 +342,10 @@ export const categoryMapsConfig: {[key in Category]: CategoryMapDefinition[]} =
             legend: {
                 title: 'Dynamic classification',
                 elements: [
-                    { color: '#F2E5FF', text: 'Repetitive small, domestic plots' },
-                    { color: '#CBABEA', text: 'Linear non-domestic, i.e. high streets' },
-                    { color: '#A272D4', text: 'Large plots with internal roads' },
-                    { color: '#EEEEEE', text: 'Other' },
+                    { color: '#96484A', text: 'Repetitive small, domestic plots' },
+                    { color: '#4B9889', text: 'Linear non-domestic, i.e. high streets' },
+                    { color: '#4F8DA8', text: 'Large plots with internal roads' },
+                    { color: '#897A5D', text: 'Other' },
                 ]
             }
         },