diff --git a/source/Ox.UI/themes/oxmedium/json/theme.jsonc b/source/Ox.UI/themes/oxmedium/json/theme.jsonc
index fc57cb53..fa121d23 100644
--- a/source/Ox.UI/themes/oxmedium/json/theme.jsonc
+++ b/source/Ox.UI/themes/oxmedium/json/theme.jsonc
@@ -6,7 +6,7 @@
 
     "barGradient": [[160, 160, 160], [128, 128, 128]],
     "barSelectedColor": [255, 255, 255],
-    "barSelectedGradient": [[80, 80, 80], [48, 48, 48]],
+    "barSelectedGradient": [[128, 128, 128], [96, 96, 96]],
 
     "bodyBackground": [144, 144, 144],
     "bodyBorder": [128, 128, 128],
@@ -30,7 +30,7 @@
     "buttonSelectedColor": [255, 255, 255],
     "buttonSelectedGradient": [[96, 96, 96], [128, 128, 128]],
 
-    "calendarBackground": [144, 144, 144],
+    "calendarBackground": [128, 128, 128],
     "calendarControlBorder": [64, 64, 64],
     "calendarControlColor": [0, 0, 0],
     "calendarControlGradient": [[160, 160, 160, 0.75], [160, 160, 160, 0.75]],
@@ -40,12 +40,12 @@
     "calendarEventOtherGradient": [[255, 128, 128, 0.9], [224, 96, 96, 0.9]],
     "calendarEventPersonGradient": [[255, 128, 0, 0.9], [224, 96, 0, 0.9]],
     "calendarEventPlaceGradient": [[0, 192, 96, 0.9], [0, 160, 64, 0.9]],
-    "calendarLineBackground": [224, 224, 224],
+    "calendarLineBackground": [112, 112, 112],
     "calendarOverlayOddBackground": [255, 255, 255, 0.25],
     "calendarOverlayEvenBackground": [0, 0, 0, 0.25],
     "calendarOverlayEvenShadow": [0, 0, 0],
-    "calendarTimelineOddGradient": [[224, 224, 224], [192, 192, 192]],
-    "calendarTimelineEvenGradient": [[208, 208, 208], [176, 176, 176]],
+    "calendarTimelineOddGradient": [[176, 176, 176], [144, 144, 144]],
+    "calendarTimelineEvenGradient": [[160, 160, 160], [128, 128, 128]],
 
     "colorBlue": [],
     "colorCyan": [],