User Wise Application Color In Oracle Apex

1. Create Global Item

AI_HDR_COLOR
AI_SELECTOR_COLOR
AI_SIDE_COLOR

2.Page Template Standerd For Header


 <div class="t-Header-branding" style="background: &AI_HDR_COLOR. !important;" role="banner">

3. Side Navigation Menu Template For Navigation Menu

<style>
    .t-TreeNav .a-TreeView-node--topLevel .a-TreeView-row.is-current, .t-TreeNav .a-TreeView-node--topLevel .a-TreeView-row.is-current--top.is-selected, .t-TreeNav .a-TreeView-node--topLevel .a-TreeView-row.is-selected {
    background-color: &AI_SELECTOR_COLOR. !important;
}
.t-TreeNav .a-TreeView-node--topLevel .a-TreeView-row.is-hover{
       background-color: &AI_SELECTOR_COLOR. !important;
}
</style>

<div class="t-TreeNav #COMPONENT_CSS_CLASSES#"  id="t_TreeNav"
style="background: &AI_SIDE_COLOR. !important;"
 data-id="#PARENT_STATIC_ID#_tree" aria-label="&APP_TITLE!ATTR.">
<ul style="display:none">