# Custom Theme Colors
Foxit PDF SDK for Web offers a public method setThemeColor
that allows users to customize theme colors. Details are as follows:
PDFViewCtrl.shared.setThemeColor([
{
dom: document.body, // Applied globally.
colors: {
primary: "#409eff", // Optional. Sets the color for UI components like buttons and dropdowns.
background: "#999999", // Optional. Sets the background color for pages and input fields.
border: "", // Optional. Sets the border color. An empty string means using the default value.
link: "#9E3ABF", // Optional. Sets the color of links.
text: "#006ddd", // Optional. Sets the color of the text.
},
},
{
dom: document.getElementsByClassName("fv__ui-tab-nav")[0], // Applied to a specific DOM element.
colors: {
text: "#d96f3f"
},
},
]);