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href=/docs/permissionsandroid>PermissionsAndroid</a><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class=menu__link tabindex=0 href=/docs/toastandroid>ToastAndroid</a></ul><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-2 menu__list-item"><div class=menu__list-item-collapsible><a class="menu__link menu__link--sublist menu__link--sublist-caret menu__link--active" role=button aria-expanded=true tabindex=0 href=/docs/actionsheetios>iOS APIs</a></div><ul class=menu__list><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class=menu__link tabindex=0 href=/docs/actionsheetios>ActionSheetIOS</a><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link menu__link--active" aria-current=page tabindex=0 href=/docs/dynamiccolorios>DynamicColorIOS</a><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class=menu__link tabindex=0 href=/docs/settings>Settings</a></ul></ul></ul></nav></div></div></aside><main class=docMainContainer_a9sJ><div class="container padding-top--md padding-bottom--lg"><div class=row><div class="col docItemCol_Qr34"><div class=docItemContainer_tjFy><article><div class="tocCollapsible_wXna theme-doc-toc-mobile tocMobile_Ojys"><button type=button class="clean-btn tocCollapsibleButton_iI2p">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>DynamicColorIOS</h1></header><p>The <code>DynamicColorIOS</code> function is a platform color type specific to iOS.</p> 5<div class="language-tsx codeBlockContainer_mQmQ theme-code-block" style=--prism-color:#FFFFFF;--prism-background-color:#282C34><div class=codeBlockTitle_kY6l>tsx</div><div class=codeBlockContent_t_Hd><pre tabindex=0 class="prism-code language-tsx codeBlock_RMoD thin-scrollbar" style=color:#FFFFFF;background-color:#282C34><code class=codeBlockLines_AclH><span class=token-line style=color:#FFFFFF><span class="token function" style=color:#79b6f2>DynamicColorIOS</span><span class="token punctuation" style=color:#657b83>(</span><span class="token punctuation" style=color:#657b83>{</span><span class="token plain"></span><br></span><span class=token-line style=color:#FFFFFF><span class="token plain"> light</span><span class="token operator" style=color:#fc929e>:</span><span class="token plain"> color</span><span class="token punctuation" style=color:#657b83>,</span><span class="token plain"></span><br></span><span class=token-line style=color:#FFFFFF><span class="token plain"> dark</span><span class="token operator" style=color:#fc929e>:</span><span class="token plain"> color</span><span class="token punctuation" style=color:#657b83>,</span><span class="token plain"></span><br></span><span class=token-line style=color:#FFFFFF><span class="token plain"> highContrastLight</span><span class="token operator" style=color:#fc929e>:</span><span class="token plain"> color</span><span class="token punctuation" style=color:#657b83>,</span><span class="token plain"> </span><span class="token comment" style=color:#93a1a1>// (optional) will fallback to "light" if not provided</span><span class="token plain"></span><br></span><span class=token-line style=color:#FFFFFF><span class="token plain"> highContrastDark</span><span class="token operator" style=color:#fc929e>:</span><span class="token plain"> color</span><span class="token punctuation" style=color:#657b83>,</span><span class="token plain"> </span><span class="token comment" style=color:#93a1a1>// (optional) will fallback to "dark" if not provided</span><span class="token plain"></span><br></span><span class=token-line style=color:#FFFFFF><span class="token plain"></span><span class="token punctuation" style=color:#657b83>}</span><span class="token punctuation" style=color:#657b83>)</span><span class="token punctuation" style=color:#657b83>;</span><br></span></code></pre></div></div> 6<p><code>DynamicColorIOS</code> takes a single argument as an object with two mandatory keys: <code>dark</code> and <code>light</code>, and two optional keys <code>highContrastLight</code> and <code>highContrastDark</code>. These correspond to the colors you want to use for "light mode" and "dark mode" on iOS, and when high contrast accessibility mode is enabled, high contrast version of them.</p> 7<p>At runtime, the system will choose which of the colors to display depending on the current system appearance and accessibility settings. Dynamic colors are useful for branding colors or other app specific colors that still respond automatically to system setting changes.</p> 8<h4 class="anchor anchorWithStickyNavbar_JmGV" id=developer-notes>Developer notes<a href=#developer-notes class=hash-link aria-label="Direct link to Developer notes" title="Direct link to Developer notes">​</a></h4> 9<div class="tabs-container tabList_J5MA"><ul role=tablist aria-orientation=horizontal class=tabs><li role=tab tabindex=-1 aria-selected=false class="tabs__item tabItem_l0OV">iOS<li role=tab tabindex=0 aria-selected=true class="tabs__item tabItem_l0OV tabs__item--active">Web</ul><div class=margin-top--md><div role=tabpanel class=tabItem_wHwb><blockquote> 10<p>If you’re familiar with <code>@media (prefers-color-scheme: dark)</code> in CSS, this is similar! Only instead of defining all the colors in a media query, you define which color to use under what circumstances right there where you're using it. Neat!</p> 11</blockquote></div><div role=tabpanel class=tabItem_wHwb hidden><blockquote> 12<p>The <code>DynamicColorIOS</code> function is similar to the iOS native methods <a href=https://developer.apple.com/documentation/uikit/uicolor/3238040-colorwithdynamicprovider target=_blank rel="noopener noreferrer"><code>UIColor colorWithDynamicProvider:</code></a></p> 13</blockquote></div></div></div> 14<h2 class="anchor anchorWithStickyNavbar_JmGV" id=example>Example<a href=#example class=hash-link aria-label="Direct link to Example" title="Direct link to Example">​</a></h2> 15<div class="language-tsx codeBlockContainer_mQmQ theme-code-block" style=--prism-color:#FFFFFF;--prism-background-color:#282C34><div class=codeBlockTitle_kY6l>tsx</div><div class=codeBlockContent_t_Hd><pre tabindex=0 class="prism-code language-tsx codeBlock_RMoD thin-scrollbar" style=color:#FFFFFF;background-color:#282C34><code class=codeBlockLines_AclH><span class=token-line style=color:#FFFFFF><span class="token keyword" style=color:#c5a5c5>import</span><span class="token plain"> </span><span class="token imports punctuation" style=color:#657b83>{</span><span class="token imports maybe-class-name">DynamicColorIOS</span><span class="token imports punctuation" style=color:#657b83>}</span><span class="token plain"> </span><span class="token keyword" style=color:#c5a5c5>from</span><span class="token plain"> </span><span class="token string" style=color:#8dc891>'react-native'</span><span class="token punctuation" style=color:#657b83>;</span><span class="token plain"></span><br></span><span class=token-line style=color:#FFFFFF><span class="token plain" style=display:inline-block></span><br></span><span class=token-line style=color:#FFFFFF><span class="token plain"></span><span class="token keyword" style=color:#c5a5c5>const</span><span class="token plain"> customDynamicTextColor </span><span class="token operator" style=color:#fc929e>=</span><span class="token plain"> </span><span class="token function" style=color:#79b6f2>DynamicColorIOS</span><span class="token punctuation" style=color:#657b83>(</span><span class="token punctuation" style=color:#657b83>{</span><span class="token plain"></span><br></span><span class=token-line style=color:#FFFFFF><span class="token plain"> dark</span><span class="token operator" style=color:#fc929e>:</span><span class="token plain"> </span><span class="token string" style=color:#8dc891>'lightskyblue'</span><span class="token punctuation" style=color:#657b83>,</span><span class="token plain"></span><br></span><span class=token-line style=color:#FFFFFF><span class="token plain"> light</span><span class="token operator" style=color:#fc929e>:</span><span class="token plain"> </span><span class="token string" style=color:#8dc891>'midnightblue'</span><span class="token punctuation" style=color:#657b83>,</span><span class="token plain"></span><br></span><span class=token-line style=color:#FFFFFF><span class="token plain"></span><span class="token punctuation" style=color:#657b83>}</span><span class="token punctuation" style=color:#657b83>)</span><span class="token punctuation" style=color:#657b83>;</span><span class="token plain"></span><br></span><span class=token-line style=color:#FFFFFF><span class="token plain" style=display:inline-block></span><br></span><span class=token-line style=color:#FFFFFF><span class="token plain"></span><span class="token keyword" style=color:#c5a5c5>const</span><span class="token plain"> customContrastDynamicTextColor </span><span class="token operator" style=color:#fc929e>=</span><span class="token plain"> </span><span class="token function" style=color:#79b6f2>DynamicColorIOS</span><span class="token punctuation" style=color:#657b83>(</span><span class="token punctuation" style=color:#657b83>{</span><span class="token plain"></span><br></span><span class=token-line style=color:#FFFFFF><span class="token plain"> dark</span><span class="token operator" style=color:#fc929e>:</span><span class="token plain"> </span><span class="token string" style=color:#8dc891>'darkgray'</span><span class="token punctuation" style=color:#657b83>,</span><span class="token plain"></span><br></span><span class=token-line style=color:#FFFFFF><span class="token plain"> light</span><span class="token operator" style=color:#fc929e>:</span><span class="token plain"> </span><span class="token string" style=color:#8dc891>'lightgray'</span><span class="token punctuation" style=color:#657b83>,</span><span class="token plain"></span><br></span><span class=token-line style=color:#FFFFFF><span class="token plain"> highContrastDark</span><span class="token operator" style=color:#fc929e>:</span><span class="token plain"> </span><span class="token string" style=color:#8dc891>'black'</span><span class="token punctuation" style=color:#657b83>,</span><span class="token plain"></span><br></span><span class=token-line style=color:#FFFFFF><span class="token plain"> highContrastLight</span><span class="token operator" style=color:#fc929e>:</span><span class="token plain"> </span><span class="token string" style=color:#8dc891>'white'</span><span class="token punctuation" style=color:#657b83>,</span><span class="token plain"></span><br></span><span class=token-line style=color:#FFFFFF><span class="token plain"></span><span class="token punctuation" style=color:#657b83>}</span><span class="token punctuation" style=color:#657b83>)</span><span class="token punctuation" style=color:#657b83>;</span><br></span></code></pre></div></div></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class=editButtons_t0bR><a href=https://github.com/facebook/react-native-website/edit/main/docs/dynamiccolorios.md target=_blank rel="noopener noreferrer" class=theme-edit-this-page><svg fill=currentColor height=20 width=20 viewBox="0 0 40 40" class=iconEdit_bHB7 aria-hidden=true><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 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