diff --git a/src/charts/chart4.js b/src/charts/chart4.js
index 342ab29..6dfa5b0 100644
--- a/src/charts/chart4.js
+++ b/src/charts/chart4.js
@@ -23,8 +23,7 @@
 
 const sharp = require('sharp')
 const { PALETTE } = require('../data/palette')
-const { dark: DARK, mdGray: MDGRAY, ltGray: LTGRAY, grid: GRID,
-        green: GREEN, orange: ORANGE, o: YELLOW, red: RED } = PALETTE
+const { dark: DARK, mdGray: MDGRAY, ltGray: LTGRAY, grid: GRID, red: RED } = PALETTE
 
 const GRAY = '#B0B0B0'
 
@@ -145,9 +144,9 @@ async function chart4_regionCompare ({
     leftTicks = rightTicks = niceTicks(globalMin, globalMax * 1.12, 5)
     leftMin = rightMin = leftTicks[0]
     leftMax = rightMax = leftTicks[leftTicks.length - 1]
-    // Зелёный/оранжевый, highlight=жёлтый
-    leftColor  = GREEN;  leftHighlight  = YELLOW
-    rightColor = ORANGE; rightHighlight = YELLOW
+    // Серые бары, highlight=красный (единый стиль для всех режимов)
+    leftColor  = GRAY;  leftHighlight  = RED
+    rightColor = GRAY;  rightHighlight = RED
   }
 
   const leftUnit  = left.unit  || (independentScales ? '' : unit)