diff --git a/data/colors.txt b/data/colors.txt
index be1afe4c57..8ab5c1694a 100644
--- a/data/colors.txt
+++ b/data/colors.txt
@@ -606,6 +606,8 @@
 3642885669
 3642892834
 3644011315
+3645464905
+3646322006
 3647094143
 3649819616
 3653532415
diff --git a/data/drules_proto.bin b/data/drules_proto.bin
index fb271d46aa..b01573c29c 100644
Binary files a/data/drules_proto.bin and b/data/drules_proto.bin differ
diff --git a/data/drules_proto.txt b/data/drules_proto.txt
index 16a9e0416b..748cf595d3 100644
--- a/data/drules_proto.txt
+++ b/data/drules_proto.txt
@@ -46474,6 +46474,16 @@ cont {
 }
 cont {
   name: "isoline-step_100"
+  element {
+    scale: 11
+    lines {
+      width: 0.8
+      color: 3427361097
+      priority: 60
+      join: BEVELJOIN
+      cap: BUTTCAP
+    }
+  }
   element {
     scale: 12
     lines {
@@ -46780,6 +46790,15 @@ cont {
 }
 cont {
   name: "isoline-step_50"
+  element {
+    scale: 13
+    lines {
+      width: 0.8
+      color: 3428218198
+      priority: 60
+      cap: BUTTCAP
+    }
+  }
   element {
     scale: 14
     lines {
diff --git a/data/drules_proto_outdoors_clear.bin b/data/drules_proto_outdoors_clear.bin
index e897925dd3..b1384c104e 100644
Binary files a/data/drules_proto_outdoors_clear.bin and b/data/drules_proto_outdoors_clear.bin differ
diff --git a/data/drules_proto_outdoors_clear.txt b/data/drules_proto_outdoors_clear.txt
index 6b834f9a69..cfac22db14 100644
--- a/data/drules_proto_outdoors_clear.txt
+++ b/data/drules_proto_outdoors_clear.txt
@@ -46963,6 +46963,16 @@ cont {
 }
 cont {
   name: "isoline-step_100"
+  element {
+    scale: 11
+    lines {
+      width: 0.6
+      color: 3645464905
+      priority: 60
+      join: BEVELJOIN
+      cap: BUTTCAP
+    }
+  }
   element {
     scale: 12
     lines {
@@ -47276,6 +47286,15 @@ cont {
 }
 cont {
   name: "isoline-step_50"
+  element {
+    scale: 13
+    lines {
+      width: 0.6
+      color: 3646322006
+      priority: 60
+      cap: BUTTCAP
+    }
+  }
   element {
     scale: 14
     lines {
diff --git a/data/drules_proto_outdoors_dark.bin b/data/drules_proto_outdoors_dark.bin
index 6113c6c969..ecb741effa 100644
Binary files a/data/drules_proto_outdoors_dark.bin and b/data/drules_proto_outdoors_dark.bin differ
diff --git a/data/drules_proto_outdoors_dark.txt b/data/drules_proto_outdoors_dark.txt
index 44896eb23e..90663304fd 100644
--- a/data/drules_proto_outdoors_dark.txt
+++ b/data/drules_proto_outdoors_dark.txt
@@ -47233,6 +47233,16 @@ cont {
 }
 cont {
   name: "isoline-step_100"
+  element {
+    scale: 11
+    lines {
+      width: 0.6
+      color: 3645464905
+      priority: 60
+      join: BEVELJOIN
+      cap: BUTTCAP
+    }
+  }
   element {
     scale: 12
     lines {
@@ -47546,6 +47556,15 @@ cont {
 }
 cont {
   name: "isoline-step_50"
+  element {
+    scale: 13
+    lines {
+      width: 0.6
+      color: 3645464905
+      priority: 60
+      cap: BUTTCAP
+    }
+  }
   element {
     scale: 14
     lines {
diff --git a/data/styles/outdoors/include/priorities_3_FG.prio.txt b/data/styles/outdoors/include/priorities_3_FG.prio.txt
index 1d313df3e2..77cb4a91fb 100644
--- a/data/styles/outdoors/include/priorities_3_FG.prio.txt
+++ b/data/styles/outdoors/include/priorities_3_FG.prio.txt
@@ -423,9 +423,9 @@ barrier-ditch                                       # line z15-
 === 70
 
 isoline-step_10                                     # line z15- (also has pathtext z16-)
-isoline-step_100                                    # line z12- (also has pathtext z13-)
+isoline-step_100                                    # line z11- (also has pathtext z13-)
 isoline-step_1000                                   # line z10- (also has pathtext z10-)
-isoline-step_50                                     # line z14- (also has pathtext z15-)
+isoline-step_50                                     # line z13- (also has pathtext z15-)
 isoline-step_500                                    # line z10- (also has pathtext z11-)
 isoline-zero                                        # line z15- (also has pathtext z15-)
 === 60
diff --git a/data/styles/outdoors/include/priorities_4_overlays.prio.txt b/data/styles/outdoors/include/priorities_4_overlays.prio.txt
index b8940875e3..f910e1101b 100644
--- a/data/styles/outdoors/include/priorities_4_overlays.prio.txt
+++ b/data/styles/outdoors/include/priorities_4_overlays.prio.txt
@@ -600,7 +600,7 @@ man_made-water_well                                 # icon z12- (also has captio
 man_made-windmill                                   # icon z16- (also has caption(optional) z16-)
 === 3050
 
-isoline-step_100                                    # pathtext z13- (also has line z12-)
+isoline-step_100                                    # pathtext z13- (also has line z11-)
 === 3020
 
 aerialway-cable_car                                 # pathtext z15- (also has line z12-, line::dash z12-)
@@ -1035,7 +1035,7 @@ sport-soccer                                        # icon z17- (also has captio
 === 1300
 
 amenity-atm                                         # icon z18- (also has caption(optional) z18-)
-isoline-step_50                                     # pathtext z15- (also has line z14-)
+isoline-step_50                                     # pathtext z15- (also has line z13-)
 landuse-recreation_ground                           # caption z15- (also has area z12-)
 leisure-recreation_ground                           # caption z17-
 leisure-sports_centre                               # icon z17- (also has caption(optional) z17-)