diff --git a/src/themes/darkThemeOptions.tsx b/src/themes/darkThemeOptions.tsx
index ba270a5c3..8bc6ed49e 100644
--- a/src/themes/darkThemeOptions.tsx
+++ b/src/themes/darkThemeOptions.tsx
@@ -20,6 +20,13 @@ declare module '@mui/material/styles' {
         muted?: string;
         faint?: string;
     }
+
+    interface FixedColor {
+        white: string;
+        black: string;
+        strokeMutedWhite: string;
+    }
+
     interface Palette {
         accent: PaletteColor;
         fill: PaletteColor;
@@ -27,6 +34,7 @@ declare module '@mui/material/styles' {
         blur: BlurStrength;
         danger: PaletteColor;
         stroke: TypeText;
+        fixed: FixedColor;
     }
     interface PaletteOptions {
         accent?: PaletteColorOptions;
@@ -35,6 +43,7 @@ declare module '@mui/material/styles' {
         backdrop?: PaletteColorOptions;
         blur?: BlurStrengthOptions;
         stroke?: Partial<TypeText>;
+        fixed?: Partial<FixedColor>;
     }
 
     interface TypographyVariants {
@@ -301,6 +310,11 @@ const darkThemeOptions = createTheme({
             muted: '48px',
             faint: '24px',
         },
+        fixed: {
+            white: '#fff',
+            black: '#000',
+            strokeMutedWhite: 'rgba(255, 255, 255, 0.48)',
+        },
         text: {
             primary: '#fff',
             secondary: 'rgba(255, 255, 255, 0.7)',
diff --git a/src/themes/lightThemeOptions.tsx b/src/themes/lightThemeOptions.tsx
index c4df82f79..711312618 100644
--- a/src/themes/lightThemeOptions.tsx
+++ b/src/themes/lightThemeOptions.tsx
@@ -20,6 +20,12 @@ declare module '@mui/material/styles' {
         muted?: string;
         faint?: string;
     }
+
+    interface FixedColor {
+        white: string;
+        black: string;
+        strokeMutedWhite: string;
+    }
     interface Palette {
         accent: PaletteColor;
         fill: PaletteColor;
@@ -27,6 +33,7 @@ declare module '@mui/material/styles' {
         blur: BlurStrength;
         danger: PaletteColor;
         stroke: TypeText;
+        fixed: FixedColor;
     }
     interface PaletteOptions {
         accent?: PaletteColorOptions;
@@ -35,6 +42,7 @@ declare module '@mui/material/styles' {
         backdrop?: PaletteColorOptions;
         blur?: BlurStrengthOptions;
         stroke?: Partial<TypeText>;
+        fixed?: Partial<FixedColor>;
     }
 
     interface TypographyVariants {
@@ -301,6 +309,11 @@ const lightThemeOptions = createTheme({
             muted: '48px',
             faint: '24px',
         },
+        fixed: {
+            white: '#fff',
+            black: '#000',
+            strokeMutedWhite: 'rgba(255, 255, 255, 0.48)',
+        },
         text: {
             primary: '#000',
             secondary: 'rgba(0, 0, 0, 0.6)',