diff --git a/packages/mui-material/src/styles/experimental_extendTheme.js b/packages/mui-material/src/styles/experimental_extendTheme.js
index 31bad9ae8709de..b86ac72cb0bd55 100644
--- a/packages/mui-material/src/styles/experimental_extendTheme.js
+++ b/packages/mui-material/src/styles/experimental_extendTheme.js
@@ -1,10 +1,10 @@
 import { deepmerge } from '@mui/utils';
 import {
-  safeColorChannel,
-  safeAlpha,
-  safeDarken,
-  safeLighten,
-  safeEmphasize,
+  private_safeColorChannel as safeColorChannel,
+  private_safeAlpha as safeAlpha,
+  private_safeDarken as safeDarken,
+  private_safeLighten as safeLighten,
+  private_safeEmphasize as safeEmphasize,
   unstable_createGetCssVar as systemCreateGetCssVar,
 } from '@mui/system';
 import createThemeWithoutVars from './createTheme';
diff --git a/packages/mui-system/src/colorManipulator.d.ts b/packages/mui-system/src/colorManipulator.d.ts
index bb16d0e59d7c59..b23b7f5dd39790 100644
--- a/packages/mui-system/src/colorManipulator.d.ts
+++ b/packages/mui-system/src/colorManipulator.d.ts
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/naming-convention */
 export type ColorFormat = 'rgb' | 'rgba' | 'hsl' | 'hsla' | 'color';
 export interface ColorObject {
   type: ColorFormat;
@@ -10,15 +11,19 @@ export function rgbToHex(color: string): string;
 export function hslToRgb(color: string): string;
 export function decomposeColor(color: string): ColorObject;
 export function colorChannel(color: string): string;
-export function safeColorChannel(color: string, warning?: string): string;
+export function private_safeColorChannel(color: string, warning?: string): string;
 export function recomposeColor(color: ColorObject): string;
 export function getContrastRatio(foreground: string, background: string): number;
 export function getLuminance(color: string): number;
 export function emphasize(color: string, coefficient?: number): string;
-export function safeEmphasize(color: string, coefficient?: number, warning?: string): string;
+export function private_safeEmphasize(
+  color: string,
+  coefficient?: number,
+  warning?: string,
+): string;
 export function alpha(color: string, value: number): string;
-export function safeAlpha(color: string, value: number, warning?: string): string;
+export function private_safeAlpha(color: string, value: number, warning?: string): string;
 export function darken(color: string, coefficient: number): string;
-export function safeDarken(color: string, coefficient: number, warning?: string): string;
+export function private_safeDarken(color: string, coefficient: number, warning?: string): string;
 export function lighten(color: string, coefficient: number): string;
-export function safeLighten(color: string, coefficient: number, warning?: string): string;
+export function private_safeLighten(color: string, coefficient: number, warning?: string): string;
diff --git a/packages/mui-system/src/colorManipulator.js b/packages/mui-system/src/colorManipulator.js
index a67ded7dcc793e..e6699ffcf6ab91 100644
--- a/packages/mui-system/src/colorManipulator.js
+++ b/packages/mui-system/src/colorManipulator.js
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/naming-convention */
 import MuiError from '@mui/utils/macros/MuiError.macro';
 
 /**
@@ -111,7 +112,7 @@ export const colorChannel = (color) => {
     .map((val, idx) => (decomposedColor.type.indexOf('hsl') !== -1 && idx !== 0 ? `${val}%` : val))
     .join(' ');
 };
-export const safeColorChannel = (color, warning) => {
+export const private_safeColorChannel = (color, warning) => {
   try {
     return colorChannel(color);
   } catch (error) {
@@ -250,7 +251,7 @@ export function alpha(color, value) {
 
   return recomposeColor(color);
 }
-export function safeAlpha(color, value, warning) {
+export function private_safeAlpha(color, value, warning) {
   try {
     return alpha(color, value);
   } catch (error) {
@@ -280,7 +281,7 @@ export function darken(color, coefficient) {
   }
   return recomposeColor(color);
 }
-export function safeDarken(color, coefficient, warning) {
+export function private_safeDarken(color, coefficient, warning) {
   try {
     return darken(color, coefficient);
   } catch (error) {
@@ -315,7 +316,7 @@ export function lighten(color, coefficient) {
 
   return recomposeColor(color);
 }
-export function safeLighten(color, coefficient, warning) {
+export function private_safeLighten(color, coefficient, warning) {
   try {
     return lighten(color, coefficient);
   } catch (error) {
@@ -336,9 +337,9 @@ export function safeLighten(color, coefficient, warning) {
 export function emphasize(color, coefficient = 0.15) {
   return getLuminance(color) > 0.5 ? darken(color, coefficient) : lighten(color, coefficient);
 }
-export function safeEmphasize(color, coefficient, warning) {
+export function private_safeEmphasize(color, coefficient, warning) {
   try {
-    return safeEmphasize(color, coefficient);
+    return private_safeEmphasize(color, coefficient);
   } catch (error) {
     if (warning && process.env.NODE_ENV !== 'production') {
       console.warn(warning);