diff --git a/src/theme/blue-theme/blueTheme.const.ts b/src/theme/blue-theme/blueTheme.const.ts
index 38b2781314c080a099585b5b7dce9562e9136e8b..9d1f0702bb8ac37d3f6c0e0084ebd995f7636de7 100644
--- a/src/theme/blue-theme/blueTheme.const.ts
+++ b/src/theme/blue-theme/blueTheme.const.ts
@@ -15,8 +15,8 @@ export const blue = {
   '--on-background': '#000000',
   '--on-surface': '#000000',
 
-  '--green': '#81c784',
-  '--red': '#FF8A80',
+  '--green': '#4caf50',
+  '--red': '#f44336',
   '--yellow': '#FFD54F',
   '--blue': '#3f51b5',
   '--purple': '#9c27b0',
diff --git a/src/theme/dark-theme/darkTheme.const.ts b/src/theme/dark-theme/darkTheme.const.ts
index e4f182d9eb387ad56bdbc1b86749127031e75253..a5557f2fed25db6ad0a43ef4c4b829c1b9cdd15d 100644
--- a/src/theme/dark-theme/darkTheme.const.ts
+++ b/src/theme/dark-theme/darkTheme.const.ts
@@ -15,8 +15,8 @@ export const dark = {
   '--on-background': '#FFFFFF',
   '--on-surface': '#FFFFFF',
 
-  '--green': '#81c784',
-  '--red': '#FF8A80',
+  '--green': '#4caf50',
+  '--red': '#f44336',
   '--yellow': '#FFD54F',
   '--blue': '#3f51b5',
   '--purple': '#9c27b0',
diff --git a/src/theme/default-theme/defaultTheme.const.ts b/src/theme/default-theme/defaultTheme.const.ts
index 2e250b754f4368d81df143a1562a9867766c12ff..73bfc7670b596b2b2b1f2ff6ee50942927006247 100644
--- a/src/theme/default-theme/defaultTheme.const.ts
+++ b/src/theme/default-theme/defaultTheme.const.ts
@@ -15,8 +15,8 @@ export const arsnova = {
   '--on-background': '#000000',
   '--on-surface': '#000000',
 
-  '--green': '#80bb26',
-  '--red': '#9c132d',
+  '--green': '#4caf50',
+  '--red': '#f44336',
   '--yellow': '#f5aa01',
   '--blue': '#002878',
   '--purple': '#9c27b0',
diff --git a/src/theme/purple-theme/purpleTheme.const.ts b/src/theme/purple-theme/purpleTheme.const.ts
index 3eaa032ea275dd5931c9e8fc694769f819900a7f..a112b330cebb492297179265705ee8aef55929b8 100644
--- a/src/theme/purple-theme/purpleTheme.const.ts
+++ b/src/theme/purple-theme/purpleTheme.const.ts
@@ -15,8 +15,8 @@ export const purple = {
   '--on-background': '#000000',
   '--on-surface': '#000000',
 
-  '--green': '#81c784',
-  '--red': '#FF8A80',
+  '--green': '#4caf50',
+  '--red': '#f44336',
   '--yellow': '#FFD54F',
   '--blue': '#3f51b5',
   '--purple': '#9c27b0',