diff --git a/vis/presets/b_4_stereo.yaml b/vis/presets/b_4_stereo.yaml
index df92302..cce76af 100644
--- a/vis/presets/b_4_stereo.yaml
+++ b/vis/presets/b_4_stereo.yaml
@@ -2,9 +2,9 @@ dimension: 4
 groups:
   - symbol: [4, 3, 3]
     slices:
-      - root: [0.90, 0.09, 0.09, 0.09, 0.01]
+      - root: [0.80, 0.09, 0.09, 0.09, 0.01]
         color: [0.9, 0.9, 0.9]
     wires:
-      - root: [0.90, 0.09, 0.09, 0.09, 0.01]
+      - root: [0.80, 0.09, 0.09, 0.09, 0.01]
         color: [0.3, 0.3, 0.3]
         ortho: false
diff --git a/vis/presets/b_4_stereo_exclude.yaml b/vis/presets/b_4_stereo_exclude.yaml
index 7273ed0..45b858e 100644
--- a/vis/presets/b_4_stereo_exclude.yaml
+++ b/vis/presets/b_4_stereo_exclude.yaml
@@ -2,11 +2,11 @@ dimension: 4
 groups:
   - symbol: [4, 3, 3]
     slices:
-      - root: [0.90, 0.09, 0.09, 0.09, 0.01]
+      - root: [0.80, 0.09, 0.09, 0.09, 0.01]
         color: [0.9, 0.9, 0.9]
         exclude:
           - [0, 1, 2]
     wires:
-      - root: [0.90, 0.09, 0.09, 0.09, 0.01]
+      - root: [0.80, 0.09, 0.09, 0.09, 0.01]
         color: [0.3, 0.3, 0.3]
         ortho: false
diff --git a/vis/presets/b_4_stereo_exclude_nowire.yaml b/vis/presets/b_4_stereo_exclude_nowire.yaml
index 7dc9cab..8eecff0 100644
--- a/vis/presets/b_4_stereo_exclude_nowire.yaml
+++ b/vis/presets/b_4_stereo_exclude_nowire.yaml
@@ -2,7 +2,7 @@ dimension: 4
 groups:
   - symbol: [4, 3, 3]
     slices:
-      - root: [0.90, 0.09, 0.09, 0.09, 0.01]
+      - root: [0.80, 0.09, 0.09, 0.09, 0.01]
         color: [0.9, 0.9, 0.9]
         exclude:
           - [0, 1, 2]
diff --git a/vis/presets/b_4_stereo_exclude_thick.yaml b/vis/presets/b_4_stereo_exclude_thick.yaml
index bbab448..a4f85e4 100644
--- a/vis/presets/b_4_stereo_exclude_thick.yaml
+++ b/vis/presets/b_4_stereo_exclude_thick.yaml
@@ -2,7 +2,7 @@ dimension: 5
 groups:
   - symbol: [4, 3, 3, 2]
     slices:
-      - root: [0.90, 0.09, 0.09, 0.09, 0.09]
+      - root: [0.80, 0.09, 0.09, 0.09, 0.09]
         color: [0.9, 0.9, 0.9]
         exclude:
           - [0, 1, 2]
diff --git a/vis/presets/h_4_stereo_exclude_thick.yaml b/vis/presets/h_4_stereo_exclude_thick.yaml
index 817745f..0f689fb 100644
--- a/vis/presets/h_4_stereo_exclude_thick.yaml
+++ b/vis/presets/h_4_stereo_exclude_thick.yaml
@@ -2,7 +2,7 @@ dimension: 5
 groups:
   - symbol: [5, 3, 3, 2]
     slices:
-      - root: [0.90, 0.09, 0.09, 0.09, 0.09]
+      - root: [0.80, 0.09, 0.09, 0.09, 0.09]
         color: [0.9, 0.9, 0.9]
         exclude:
           - [0, 1, 2]
diff --git a/vis/presets/h_4_stereo_wire.yaml b/vis/presets/h_4_stereo_wire.yaml
index cc2c51d..d06ffc2 100644
--- a/vis/presets/h_4_stereo_wire.yaml
+++ b/vis/presets/h_4_stereo_wire.yaml
@@ -2,10 +2,10 @@ dimension: 5
 groups:
   - symbol: [3, 4, 3]
     slices:
-      - root: [0.90, 0.09, 0.09, 0.09, 0.0]
+      - root: [0.80, 0.09, 0.09, 0.09, 0.0]
         color: [0.9, 0.9, 0.9]
         exclude:
           - [0, 1, 2]
     wires:
-      - root: [0.90, 0.09, 0.09, 0.09, 0.0]
+      - root: [0.80, 0.09, 0.09, 0.09, 0.0]
         color: [0.3, 0.3, 0.3]