How to make a black and white screen on Android

Modern smartphones are becoming more and more bright and colorful, which often leads to excessive use of gadgets and rapid eye fatigue. However, many users do not even suspect that their device contains a function that can radically change the perception of content - monochrome mode. Switching the screen to black and white format not only reduces the attractiveness of social networks, helping to fight addiction, but also significantly saves battery power on OLED displays.

Enabling this option is available on almost any device running the operating system Android, starting from versions 9 and higher. There are several activation paths: through standard accessibility settings, using hidden developer tools, or through third-party applications. The choice of a specific method depends on the model of your smartphone and the goals you are pursuing - be it energy saving or digital detoxification.

In this article we will analyze in detail all the available methods of turning a color screen into black and white, explain the technical nuances of how displays operate in this mode and answer frequently asked questions. You will learn how to set up automatic mode switching and what pitfalls can be encountered on the way to a minimalistic interface.

Why turn on black and white mode on your smartphone

The main reason why people are looking for a way how to make a black and white screen on Androidlies in the psychology of information perception. The human brain is evolutionarily programmed to respond to bright colors, associating them with food, danger or important objects. Application developers take advantage of this feature, filling interfaces with rich colors to hold our attention for as long as possible. By removing color, we deprive the brain of dopamine reinforcement, and scrolling the feed becomes less exciting.

In addition to the psychological aspect, there is also a purely technical benefit. On screens made using AMOLED or OLEDtechnology, each pixel is individually illuminated. Black color on such matrices means the subpixels are completely turned off, which leads to zero power consumption at these points. Although white requires the most energy, the overall reduction in brightness and the lack of processing of complex color profiles can provide a small but noticeable increase in battery life.

Ophthalmologists also recommend periodically using monochrome mode to reduce visual strain. The lack of harsh color contrasts and blue light (which is often filtered out along with saturation) makes text easier to read in low-light conditions. This is especially true for people who spend more than 4-5 hours a day in front of a screen.

⚠️ Attention: Fully switching to black and white mode may make it difficult to work with navigation maps, photos and videos. It is recommended to use this mode selectively or set up a schedule for turning it on.

Activation through the "Accessibility" menu

The easiest and safest way to change the color scheme of the display is to use the built-in tools of the system. In modern shells from Samsung, Xiaomi i Google this function is hidden in the settings section for people with visual impairments, but is available to any user. The algorithm of actions may differ slightly depending on the version Android and custom firmware.

First, you need to open the main settings menu of your device. Find the section usually called "Accessibility", "Accessibility" or "Accessibility". Inside this menu, you should look for a subsection related to improving text visibility or color correction. On the net Android this option is often called “Color Correction”.

After entering the color correction menu, you will need to activate the status switch. The system will prompt you to select the type of correction: for deuteranomaly, protanomaly or triganomaly. However, we are interested in the item Grayscale (Grayscale). When you select it, the entire interface, including the desktop, applications and notifications, will instantly become monochrome.

• 🔹 Open Settings → Accessibility.
• 🔹 Find the section Improving visibility or Color and text.
• 🔹 Activate the toggle switch Color correction.
• 🔹 Select mode Shades of gray in the list of options.

It is important to note that on some devices, for example, from the company Samsung, this function can be placed in a separate menu “Improving visibility”. If you don’t find the item you need right away, use the settings search by entering the query “color” or “gray.” This will save time and allow you to quickly get to the desired switch.

Using developer mode for global black and white

If the standard menu does not provide the necessary options or you want more control over the display, you can use developer mode. This method is universal for most versions Android and allows you to simulate monochrome space at the system level, ignoring the settings of specific applications.

To access hidden settings, you must first activate the developer mode itself. Go to the “About Phone” section and find the “Build Number” item. You will need to quickly click on this item 7 times in a row. After a few clicks, the system will warn you how many steps are left until activation, and then inform you that developer mode is enabled.

Now return to the main settings menu. A new item will appear at the very bottom of the list or in the “System” section - For developers. Enter it and scroll down to the "Hardware rendering acceleration" or "Monitoring" section. We are interested in the option Anomaly simulation (Simulate color space).

Settings → System → For developers → Anomaly simulation → Full monochrome

Select a value in the list that opens Full Monochrome. The screen will instantly turn black and white. The advantage of this method is that it works aggressively and evenly, turning even elements into grayscale that standard color correction might have missed. However, it is worth remembering that Developer Mode contains many other sensitive settings.

⚠️ Warning: Do not change other options in the Developer menu unless you are sure of their purpose. A careless action can lead to unstable system operation or reset settings.

Third-party applications for color management

In cases where the phone's built-in functions are limited or absent (which often happens on older models or specific firmware), applications from the store come to the rescue. Google Play. There are many utilities that apply a translucent filter over the entire interface, creating the illusion of a black and white screen.

One ​​of the popular solutions is an application Twilight or specialized utilities like Grayscale Mode. They work on the principle of layering. Unlike system settings, such applications can offer a flexible schedule: for example, turn on black and white mode only after sunset or during certain operating hours.

The main disadvantage of third-party solutions is that they can consume additional processor and battery resources, as they constantly render the filter. In addition, when minimizing applications or calling up system dialogs, the filter may momentarily disappear or work incorrectly. However, for older devices, this is often the only option.

• 📱 Download a color filter application from Play Market.
• 📱 Grant the necessary permissions to display on top of other windows.
• 📱 Adjust the filter intensity and color temperature.
• 📱 Set the automatic turn-on timer.

When choosing an application, pay attention to reviews and the number of installations. Avoid apps that require suspiciously many permissions, such as access to contacts or microphone, as this is completely unnecessary to implement a screen filter. The security of your data should be a priority.

Why do some apps remain in color?

Some apps, especially video players and games, may force overlay filters to be turned off to preserve picture quality. This is a feature of Android working with full-screen modes.

Comparison of methods for enabling monochrome mode

To make it easier for you to choose the appropriate option, we have compiled a comparative table of the main methods. Each of them has its own advantages and disadvantages depending on your smartphone model and purposes of use.

Method	Complexity	Impact on the battery	Stability
Special capabilities	Low	Neutral	High
Developer mode	Medium	Neutral	High
Third-party applications	Low	High	Medium
Digital well-being	Low	Neutral	High

As can be seen from the table, built-in system methods are the most preferred. They do not consume excess energy and guarantee the correct operation of all interface elements. Third-party applications should be considered only as a temporary solution or if your phone is outdated.

It is also worth mentioning the “Digital Well-being” function present in pure Android. It allows you to configure “Sleep Mode”, which automatically turns on grayscale on a schedule. This is an ideal compromise for those who want to sleep better, but need colors during the day.

Scheduling and automation

Constantly being in black and white mode can be inconvenient, so many users prefer to automate this process. The operating system Android provides powerful tools for creating scripts that will change display settings based on time or location.

In the Digital Wellbeing and Parental Controls section, you can find the Sleep Mode feature. By activating it, you can set the start and end time of the mode. During this period, the phone will not only turn black and white, but also turn on the Do Not Disturb feature, silencing notifications. This helps improve sleep hygiene.

For more advanced scenarios, you can use automation applications such as MacroDroid or Tasker. They allow you to create complex triggers. For example, the phone may turn black and white when you connect to your home Wi-Fi, or when the battery level drops below 20% to save power.

Trigger: Battery level < 20%
Action: Enable Grayscale mode
Action: Enable mode energy saving

Setting up automation requires care. Make sure you don't create conflicting rules that will constantly turn the mode on and off, causing the screen to flicker. Test the created script in a safe environment before trusting it with daily management of your smartphone.

⚠️ Attention: Settings interfaces may differ depending on the firmware version and year of manufacture of the device. If you do not find the described item, check the current location of the settings in the official user manual for your specific model.

Returning to a color image and troubleshooting problems

If you decide to abandon the experiment with a monochrome screen, returning everything back is as easy as turning it on. It is enough to go the same way in the settings and switch the toggle switch to the “Off” position or select the “No” mode in the anomaly simulation. Colors will return instantly.

Sometimes users are faced with a situation where the screen remains black and white even after turning off all settings. This could be a sign of a graphics driver issue or a system interface process hang. In this case, the first thing you need to do is perform a normal reboot of the device.

If the reboot does not help, check whether the power saving mode is activated to maximum. Some manufacturers STRONGLY limit the color gamut when the battery charge is critically low to extend the life of the device. Charge the phone to 20-30% and check if the filter has disappeared.

• 🔄 Completely reboot the smartphone.
• 🔋 Disable the "Ultra Energy Saving" mode.
• 🎨 Check the theme settings in personalization.
• 🛠 Reset accessibility settings to default.

In rare cases, the problem may lie in mechanical damage to the display cable, if colors are distorted unevenly or stripes appear. However, if the screen is simply uniformly gray, it is almost always a software setting that is easy to fix.

What to do if the buttons become invisible?

In black and white mode, some icons with low contrast may blend into the background. Use the Google Assistant voice assistant for navigation if it is difficult to visually find the settings.

Frequently asked questions (FAQ)

Does black and white mode affect the quality of taking photos?

No, turning on monochrome mode in the screen settings only affects the display of information on the display. The smartphone camera will continue to take color photos in full resolution. You will be able to see the color of the photo immediately after taking it if you temporarily disable the filter, or when viewing it in the gallery on another device.

Is it possible to make a black and white screen on an iPhone?

Yes, devices iOS also have a similar function. It is located along the path: Settings → Accessibility → Display and text size → Color filters. There you need to activate the switch and select the “Shades of Gray” mode.

Does this mode really help save the battery?

There are savings, but they are not always significant. On OLED screens, displaying black does not consume power, but white text on a black background still requires pixel backlighting. The main benefit is achieved by reducing the overall brightness and reducing the user's desire to constantly interact with a bright interface.

Why does a YouTube video turn black and white?

If you have enabled anomaly simulation mode or system-level color correction, this affects all applications without exception, including video players. To watch color video, you will have to temporarily disable monochrome mode in the settings.

Is it safe to use developer mode?

The “Anomaly Simulation” function itself is completely safe. It does not delete data or change firmware. The only danger is accidentally changing other options in the developer menu, such as USB debugging or window scaling, if you do not understand their purpose.