From 3036d18df5880c75a727b68b1717a46d1692b774 Mon Sep 17 00:00:00 2001
From: Elian Doran <contact@eliandoran.me>
Date: Thu, 13 Nov 2025 09:14:13 +0200
Subject: [PATCH] feat(board/promoted_attributes): improve rendering for color
 badge

---
 apps/client/src/services/css_class_manager.ts |  5 ++
 .../PromotedAttributesDisplay.tsx             | 49 ++++++++++---------
 2 files changed, 30 insertions(+), 24 deletions(-)

diff --git a/apps/client/src/services/css_class_manager.ts b/apps/client/src/services/css_class_manager.ts
index ff0270cf3..b28b24b23 100644
--- a/apps/client/src/services/css_class_manager.ts
+++ b/apps/client/src/services/css_class_manager.ts
@@ -76,6 +76,11 @@ function getHue(color: ColorInstance) {
     }
 }
 
+export function getReadableTextColor(bgColor: string) {
+    const colorInstance = Color(bgColor);
+    return colorInstance.isLight() ? "#000" : "#fff";
+}
+
 export default {
     createClassForColor
 };
diff --git a/apps/client/src/widgets/attribute_widgets/PromotedAttributesDisplay.tsx b/apps/client/src/widgets/attribute_widgets/PromotedAttributesDisplay.tsx
index 51cb4649e..3b90dc3d2 100644
--- a/apps/client/src/widgets/attribute_widgets/PromotedAttributesDisplay.tsx
+++ b/apps/client/src/widgets/attribute_widgets/PromotedAttributesDisplay.tsx
@@ -5,9 +5,10 @@ import { useTriliumEvent } from "../react/hooks";
 import attributes from "../../services/attributes";
 import { DefinitionObject } from "../../services/promoted_attribute_definition_parser";
 import { formatDateTime } from "../../utils/formatters";
-import { ComponentChildren } from "preact";
+import { ComponentChildren, CSSProperties } from "preact";
 import Icon from "../react/Icon";
 import NoteLink from "../react/NoteLink";
+import { getReadableTextColor } from "../../services/css_class_manager";
 
 interface PromotedAttributesDisplayProps {
     note: FNote;
@@ -26,15 +27,7 @@ export default function PromotedAttributesDisplay({ note, ignoredAttributes }: P
     const promotedDefinitionAttributes = useNoteAttributesWithDefinitions(note, ignoredAttributes);
     return promotedDefinitionAttributes?.length > 0 && (
         <div className="promoted-attributes">
-            {promotedDefinitionAttributes?.map((attr) => {
-                const className = `${attr.type === "label" ? "label" + " " + attr.def.labelType : "relation"}`;
-                return (
-                    <span key={attr.friendlyName} className={`promoted-attribute type-${className}`}>
-                        {attr.type === "relation" ? formatRelation(attr) : formatLabelValue(attr)}
-                    </span>
-                );
-            }
-            )}
+            {promotedDefinitionAttributes?.map(attr => buildPromotedAttribute(attr))}
         </div>
     )
 
@@ -52,7 +45,21 @@ function useNoteAttributesWithDefinitions(note: FNote, attributesToIgnore:  stri
     return promotedDefinitionAttributes;
 }
 
-function formatLabelValue(attr: AttributeWithDefinitions): ComponentChildren {
+function PromotedAttribute({ attr, children, style }: { attr: AttributeWithDefinitions, children: ComponentChildren, style?: CSSProperties }) {
+    const className = `${attr.type === "label" ? "label" + " " + attr.def.labelType : "relation"}`;
+
+    return (
+        <span key={attr.friendlyName} className={`promoted-attribute type-${className}`} style={style}>
+            {children}
+        </span>
+    )
+}
+
+function buildPromotedAttribute(attr: AttributeWithDefinitions): ComponentChildren {
+    if (attr.type === "relation") {
+        return <PromotedAttribute attr={attr}><strong>{attr.friendlyName}:</strong> <NoteLink notePath={attr.value} showNoteIcon /></PromotedAttribute>
+    }
+
     let value = attr.value;
     switch (attr.def.labelType) {
         case "number":
@@ -61,35 +68,29 @@ function formatLabelValue(attr: AttributeWithDefinitions): ComponentChildren {
             if (attr.def.numberPrecision) {
                 formattedValue = numberValue.toFixed(attr.def.numberPrecision);
             }
-            return <><strong>{attr.friendlyName}:</strong> {formattedValue}</>;
+            return <PromotedAttribute attr={attr}><strong>{attr.friendlyName}:</strong> {formattedValue}</PromotedAttribute>;
         case "date":
         case "datetime": {
             const date = new Date(value);
             const timeFormat = attr.def.labelType !== "date" ? "short" : "none";
-            return <><strong>{attr.friendlyName}:</strong> {formatDateTime(date, "short", timeFormat)}</>;
+            return <PromotedAttribute attr={attr}><strong>{attr.friendlyName}:</strong> {formatDateTime(date, "short", timeFormat)}</PromotedAttribute>;
         }
         case "time": {
             const date = new Date(`1970-01-01T${value}Z`);
-            return <><strong>{attr.friendlyName}:</strong> {formatDateTime(date, "none", "short")}</>;
+            return <PromotedAttribute attr={attr}><strong>{attr.friendlyName}:</strong> {formatDateTime(date, "none", "short")}</PromotedAttribute>;
         }
         case "boolean":
-            return <><Icon icon={value === "true" ? "bx bx-check-square" : "bx bx-square"} /> <strong>{attr.friendlyName}</strong></>;
+            return <PromotedAttribute attr={attr}><Icon icon={value === "true" ? "bx bx-check-square" : "bx bx-square"} /> <strong>{attr.friendlyName}</strong></PromotedAttribute>;
         case "url":
-            return <><a href={value} target="_blank" rel="noopener noreferrer">{attr.friendlyName}</a></>;
+            return <PromotedAttribute attr={attr}><a href={value} target="_blank" rel="noopener noreferrer">{attr.friendlyName}</a></PromotedAttribute>;
         case "color":
-            return <><span style={{ color: value }}>{attr.friendlyName}</span></>;
+            return <PromotedAttribute attr={attr} style={{ backgroundColor: value, color: getReadableTextColor(value) }}>{attr.friendlyName}</PromotedAttribute>;
         case "text":
         default:
-            return <><strong>{attr.friendlyName}:</strong> {value}</>;
+            return <PromotedAttribute attr={attr}><strong>{attr.friendlyName}:</strong> {value}</PromotedAttribute>;
     }
 }
 
-function formatRelation(attr: AttributeWithDefinitions): ComponentChildren {
-    return (
-        <><strong>{attr.friendlyName}:</strong> <NoteLink notePath={attr.value} showNoteIcon /></>
-    )
-}
-
 function getAttributesWithDefinitions(note: FNote, attributesToIgnore: string[] = []): AttributeWithDefinitions[] {
     const promotedDefinitionAttributes = note.getAttributeDefinitions();
     const result: AttributeWithDefinitions[] = [];