How to Change Colors on iPhone: Display, Accessibility & Appearance Settings Explained

Your iPhone offers far more color customization than most people realize. From inverting the entire display to tinting individual app icons, the options span a wide spectrum — but which ones are available, and how useful they actually are, depends heavily on your iPhone model, iOS version, and what you're actually trying to achieve.

What "Changing Colors" Can Mean on an iPhone

The phrase covers several distinct features that work very differently from one another:

  • Display color temperature (warmer or cooler tones)
  • Color filters for accessibility or visual comfort
  • Dark Mode (a system-wide dark color scheme)
  • Invert colors (flipping the entire palette)
  • App icon color tinting (available from iOS 18 onward)
  • Wallpaper and theme adjustments

Understanding which category you're trying to change is the essential first step.

Adjusting Display Color Temperature With True Tone and Night Shift

True Tone automatically adjusts white balance based on ambient lighting. On supported iPhones (iPhone 8 and later), it makes the screen appear more natural in different lighting environments. You can toggle it under:

Settings → Display & Brightness → True Tone

Night Shift shifts the display toward warmer, yellower tones on a schedule or manually. It's designed to reduce blue light exposure, particularly in the evening. Access it at:

Settings → Display & Brightness → Night Shift

Neither feature changes the core color profile of your display — they adjust white balance and color temperature along a warm-to-cool axis.

Color Filters: The Most Precise Color Control 🎨

Color Filters is buried inside Accessibility settings but is one of the most powerful color tools on iPhone. It's primarily designed for users with color blindness or visual impairments, but many people use it for general display tuning.

Settings → Accessibility → Display & Text Size → Color Filters

Options include:

Filter TypeWhat It Does
GrayscaleRemoves all color — full black and white display
Red/Green FilterAdjusts for deuteranopia (green-weak vision)
Green/Red FilterAdjusts for protanopia (red-weak vision)
Blue/Yellow FilterAdjusts for tritanopia (blue-weak vision)
Color TintApplies a custom hue and intensity across the screen

The Color Tint option is the most flexible — a slider lets you control both hue and intensity, essentially washing the entire screen in any color tone you choose.

A useful trick: you can add Color Filters to your Accessibility Shortcut (triple-click the side or home button) to toggle it on and off quickly without diving into Settings each time.

Dark Mode: A System-Wide Color Overhaul

Dark Mode switches the iOS interface, built-in apps, and any apps that support it from light backgrounds to dark ones. It's not technically "changing colors," but it dramatically shifts the visual experience.

Settings → Display & Brightness → Dark (or set to Automatic with a schedule)

The impact varies depending on your iPhone model:

  • On OLED iPhones (iPhone X and later, excluding XR and standard iPhone 11), true blacks in Dark Mode save battery because OLED pixels turn off entirely for black areas
  • On LCD iPhones, Dark Mode still dims the interface but doesn't produce the same power savings

Inverting Colors

Smart Invert and Classic Invert are found at:

Settings → Accessibility → Display & Text Size

Smart Invert flips most colors but tries to preserve images, media, and app-specific elements. Classic Invert flips everything — photos, videos, and all — which can look jarring but is useful for certain visual needs.

Changing App Icon Colors in iOS 18 🖼️

Starting with iOS 18, Apple introduced the ability to tint app icons across your home screen. This applies a unified color tone to all icons simultaneously — you're not changing individual icons, but applying a palette to the whole grid.

To access it:

  1. Long-press on the Home Screen
  2. Tap Customize in the bottom-left
  3. Select Tinted under the icon style options
  4. Use the color picker or eyedropper to choose your tint

This feature is only available on iOS 18 and later. The results also look different depending on whether you're using the Automatic, Dark, or Light home screen mode. Heavily tinted icons can reduce at-a-glance readability, while subtle tints maintain clarity — where that line falls is a personal judgment.

Display & Brightness Slider: A Simpler Tweak

Worth noting: simply reducing brightness or enabling Auto-Brightness changes how colors render perceptually, even without touching any color-specific settings. A dimmer screen reads differently than the same calibrated display at full brightness.

Auto-Brightness is managed at:

Settings → Accessibility → Display & Text Size → Auto-Brightness

The Variables That Determine Your Experience

Several factors shape how these settings will actually work for you:

  • iOS version — the icon tinting system requires iOS 18; some accessibility refinements vary by version
  • Display type — OLED vs. LCD affects how color filters and Dark Mode render visually and impact battery life
  • iPhone model — True Tone is absent on older models; certain color management features arrived at different hardware generations
  • Intended use — reducing eye strain, aesthetic customization, accessibility accommodation, and battery saving each point toward different settings
  • Environmental context — the same color filter that looks great indoors may wash out in direct sunlight

Someone using an older iPhone running iOS 16 for eye strain relief has a very different set of practical options compared to someone on an iPhone 15 Pro running iOS 18 who wants a cohesive home screen aesthetic. The tools exist across the board — but the combination that makes sense depends entirely on what you're starting with and what you're trying to solve. 🔍