diff --git a/app/features/art/components/ArtGrid.module.css b/app/features/art/components/ArtGrid.module.css
index 42321780f..0393bf380 100644
--- a/app/features/art/components/ArtGrid.module.css
+++ b/app/features/art/components/ArtGrid.module.css
@@ -1,3 +1,15 @@
+.thumbnailButton {
+	all: unset;
+	display: block;
+	cursor: pointer;
+
+	/* thumbnails have square corners, a rounded ring would leave the art's corners outside it */
+	&:focus-visible {
+		outline: var(--focus-ring);
+		outline-offset: 2px;
+	}
+}
+
 .thumbnail {
 	cursor: pointer;
 	transition: all 0.2s ease;
diff --git a/app/features/art/components/ArtGrid.tsx b/app/features/art/components/ArtGrid.tsx
index 401e2b6bf..6bfad46b9 100644
--- a/app/features/art/components/ArtGrid.tsx
+++ b/app/features/art/components/ArtGrid.tsx
@@ -211,20 +211,31 @@ function ImagePreview({
 	const { t } = useTranslation(["common", "art"]);
 	const formatDistanceToNow = useFormatDistanceToNow();
 
-	const img = (
-		// biome-ignore lint/a11y/noStaticElementInteractions: Biome v2 migration
+	const image = (
 		<img
 			alt=""
 			src={previewUrl(art.url)}
 			loading="lazy"
-			onClick={onClick}
-			onPointerEnter={enablePreview ? () => preloadImage(art.url) : undefined}
 			ref={imageRef}
 			className={enablePreview ? styles.thumbnail : undefined}
 			data-testid="art-image"
 		/>
 	);
 
+	const img = onClick ? (
+		<button
+			type="button"
+			onClick={onClick}
+			onPointerEnter={() => preloadImage(art.url)}
+			className={styles.thumbnailButton}
+			aria-label={art.description || t("art:openImage")}
+		>
+			{image}
+		</button>
+	) : (
+		image
+	);
+
 	if (!art.author && canEdit) {
 		return (
 			<div>
diff --git a/app/features/comp-analyzer/routes/comp-analyzer.tsx b/app/features/comp-analyzer/routes/comp-analyzer.tsx
index 2b08eda31..d4486cd2a 100644
--- a/app/features/comp-analyzer/routes/comp-analyzer.tsx
+++ b/app/features/comp-analyzer/routes/comp-analyzer.tsx
@@ -2,7 +2,11 @@ import { HardDriveDownload } from "lucide-react";
 import { useState } from "react";
 import { useTranslation } from "react-i18next";
 import type { MetaFunction, ShouldRevalidateFunction } from "react-router";
-import { SendouButton } from "~/components/elements/Button";
+import {
+	SendouButton,
+	type SendouButtonProps,
+} from "~/components/elements/Button";
+import { SendouPopover } from "~/components/elements/Popover";
 import { SendouSwitch } from "~/components/elements/Switch";
 import { Main } from "~/components/Main";
 import { Placeholder } from "~/components/Placeholder";
@@ -63,6 +67,7 @@ export default function CompAnalyzerShell() {
 }
 
 function CompAnalyzerPage() {
+	const { t } = useTranslation(["common", "analyzer"]);
 	const [selectedWeaponIds, setSelectedWeaponIds] = useSelectedWeapons();
 	const [categorization, setCategorization] = useCategorization();
 	const [isGridCollapsed, setIsGridCollapsed] = useState(
@@ -99,14 +104,18 @@ function CompAnalyzerPage() {
 				onRemove={handleRemoveWeapon}
 				onReorder={setSelectedWeaponIds}
 			/>
-			{selectedWeaponIds.length >= MAX_WEAPONS ? (
-				<div className="stack horizontal justify-end">
+			<div className="stack horizontal justify-end">
+				{selectedWeaponIds.length >= MAX_WEAPONS ? (
 					<CompExportDialog
 						weaponIds={selectedWeaponIds}
 						excludedDamageKeys={excludedDamageKeys}
 					/>
-				</div>
-			) : null}
+				) : (
+					<SendouPopover trigger={<ExportButton />}>
+						{t("analyzer:comp.exportHint", { max: MAX_WEAPONS })}
+					</SendouPopover>
+				)}
+			</div>
 			<WeaponCategories selectedWeaponIds={selectedWeaponIds} />
 			<WeaponGrid
 				selectedWeaponIds={selectedWeaponIds}
@@ -139,15 +148,7 @@ function CompExportDialog({ weaponIds, excludedDamageKeys }: CompExportProps) {
 
 	return (
 		<ImageExportDialog
-			trigger={
-				<SendouButton
-					size="small"
-					variant="outlined"
-					icon={<HardDriveDownload />}
-				>
-					{t("common:imageExport.export")}
-				</SendouButton>
-			}
+			trigger={<ExportButton />}
 			heading={t("common:imageExport.export")}
 			filename="comp"
 			settings={
@@ -212,3 +213,18 @@ function CompGraphicWithCombos({
 		/>
 	);
 }
+
+function ExportButton(props: SendouButtonProps) {
+	const { t } = useTranslation(["common"]);
+
+	return (
+		<SendouButton
+			{...props}
+			size="small"
+			variant="outlined"
+			icon={<HardDriveDownload />}
+		>
+			{t("common:imageExport.export")}
+		</SendouButton>
+	);
+}
diff --git a/app/features/tier-list-maker/tier-list-maker-utils.test.ts b/app/features/tier-list-maker/tier-list-maker-utils.test.ts
index 0ffe7fa1d..74b4d0758 100644
--- a/app/features/tier-list-maker/tier-list-maker-utils.test.ts
+++ b/app/features/tier-list-maker/tier-list-maker-utils.test.ts
@@ -203,7 +203,10 @@ describe("isLightColor", () => {
 		{ hex: "#8b0000", expected: false, why: "dark red" },
 		{ hex: "#4169e1", expected: false, why: "royal blue" },
 		{ hex: "#000000", expected: false, why: "black" },
-		{ hex: "#fff", expected: false, why: "unsupported short form" },
+		{ hex: "#fff", expected: true, why: "short form white" },
+		{ hex: "#000", expected: false, why: "short form black" },
+		{ hex: "#ffd", expected: true, why: "short form light yellow" },
+		{ hex: "not-a-color", expected: false, why: "garbage" },
 	])("$why -> $expected", ({ hex, expected }) => {
 		expect(isLightColor(hex)).toBe(expected);
 	});
diff --git a/app/features/tier-list-maker/tier-list-maker-utils.ts b/app/features/tier-list-maker/tier-list-maker-utils.ts
index 887bdb55a..9d2d1f391 100644
--- a/app/features/tier-list-maker/tier-list-maker-utils.ts
+++ b/app/features/tier-list-maker/tier-list-maker-utils.ts
@@ -87,20 +87,36 @@ export function tierNameFontSize(name: string) {
 
 const LIGHT_COLOR_LUMINANCE_THRESHOLD = 0.5;
 
-/** Whether dark text/icons read better on the given `#rrggbb` color than light ones. */
+/** Whether dark text/icons read better on the given `#rgb` or `#rrggbb` color than light ones. */
 export function isLightColor(hex: string) {
-	const channels = hex.replace("#", "").match(/.{2}/g);
-	if (!channels || channels.length < 3) return false;
+	const channels = hexChannels(hex);
+	if (!channels) return false;
 
-	const [r, g, b] = channels.map((channel) => Number.parseInt(channel, 16));
+	const [r, g, b] = channels;
 	const luminance = (0.299 * r + 0.587 * g + 0.114 * b) / 255;
 
 	return luminance > LIGHT_COLOR_LUMINANCE_THRESHOLD;
 }
 
-/** Text color that stays readable on a tier's `#rrggbb` background color. */
+/** Text color that stays readable on a tier's `#rgb` or `#rrggbb` background color. */
 export function tierTextColor(hex: string) {
 	return isLightColor(hex)
 		? "var(--color-text-on-light)"
 		: "var(--color-text-on-dark)";
 }
+
+function hexChannels(hex: string) {
+	const digits = hex.replace("#", "");
+	const channels =
+		digits.length === 3
+			? digits.split("").map((digit) => `${digit}${digit}`)
+			: digits.match(/.{2}/g);
+
+	if (!channels || channels.length < 3) return null;
+
+	const parsed = channels
+		.slice(0, 3)
+		.map((channel) => Number.parseInt(channel, 16));
+
+	return parsed.some(Number.isNaN) ? null : parsed;
+}
diff --git a/locales/da/analyzer.json b/locales/da/analyzer.json
index ac183de84..9553b48c2 100644
--- a/locales/da/analyzer.json
+++ b/locales/da/analyzer.json
@@ -219,5 +219,6 @@
 	"comp.removeAll": "",
 	"comp.addAll": "",
 	"comp.singleWeaponCombos": "",
-	"comp.graphicSubtitle": ""
+	"comp.graphicSubtitle": "",
+	"comp.exportHint": ""
 }
diff --git a/locales/da/art.json b/locales/da/art.json
index b5349fc3d..d2bc3b231 100644
--- a/locales/da/art.json
+++ b/locales/da/art.json
@@ -23,5 +23,6 @@
 	"delete.title": "",
 	"unlink.title": "",
 	"noArtForTag": "",
-	"imageFailed": ""
+	"imageFailed": "",
+	"openImage": ""
 }
diff --git a/locales/de/analyzer.json b/locales/de/analyzer.json
index b62d5b6eb..b02045949 100644
--- a/locales/de/analyzer.json
+++ b/locales/de/analyzer.json
@@ -219,5 +219,6 @@
 	"comp.removeAll": "",
 	"comp.addAll": "",
 	"comp.singleWeaponCombos": "",
-	"comp.graphicSubtitle": ""
+	"comp.graphicSubtitle": "",
+	"comp.exportHint": ""
 }
diff --git a/locales/de/art.json b/locales/de/art.json
index 852565d8a..4d3d4b4d7 100644
--- a/locales/de/art.json
+++ b/locales/de/art.json
@@ -23,5 +23,6 @@
 	"delete.title": "",
 	"unlink.title": "",
 	"noArtForTag": "",
-	"imageFailed": ""
+	"imageFailed": "",
+	"openImage": ""
 }
diff --git a/locales/en/analyzer.json b/locales/en/analyzer.json
index 25cc78dd3..faf96e554 100644
--- a/locales/en/analyzer.json
+++ b/locales/en/analyzer.json
@@ -219,5 +219,6 @@
 	"comp.removeAll": "Remove all",
 	"comp.addAll": "Add all",
 	"comp.singleWeaponCombos": "Single weapon combos",
-	"comp.graphicSubtitle": "Composition Analyzer"
+	"comp.graphicSubtitle": "Composition Analyzer",
+	"comp.exportHint": "Pick {{max}} weapons to export an image"
 }
diff --git a/locales/en/art.json b/locales/en/art.json
index 655b8117d..6c931915a 100644
--- a/locales/en/art.json
+++ b/locales/en/art.json
@@ -23,5 +23,6 @@
 	"delete.title": "Are you sure you want to delete the art?",
 	"unlink.title": "Are you sure you want to remove this art from your profile (only {{username}} can add it back)?",
 	"noArtForTag": "No uploaded art found for #{{tag}}",
-	"imageFailed": "Image could not be loaded"
+	"imageFailed": "Image could not be loaded",
+	"openImage": "Open image"
 }
diff --git a/locales/es-ES/analyzer.json b/locales/es-ES/analyzer.json
index c59003008..10803581d 100644
--- a/locales/es-ES/analyzer.json
+++ b/locales/es-ES/analyzer.json
@@ -223,5 +223,6 @@
 	"comp.removeAll": "Eliminar todos",
 	"comp.addAll": "Añadir todos",
 	"comp.singleWeaponCombos": "Combos de un arma",
-	"comp.graphicSubtitle": ""
+	"comp.graphicSubtitle": "",
+	"comp.exportHint": ""
 }
diff --git a/locales/es-ES/art.json b/locales/es-ES/art.json
index a83b4598f..e335fbc27 100644
--- a/locales/es-ES/art.json
+++ b/locales/es-ES/art.json
@@ -24,5 +24,6 @@
 	"delete.title": "¿Seguro que quieres eliminar este arte?",
 	"unlink.title": "¿Seguro que quieres desvincular este arte de tu perfil? (solo {{username}} puede volver a añadirlo)",
 	"noArtForTag": "No se ha encontrado arte subido para #{{tag}}",
-	"imageFailed": ""
+	"imageFailed": "",
+	"openImage": ""
 }
diff --git a/locales/es-US/analyzer.json b/locales/es-US/analyzer.json
index 996ac0c53..36e3ca987 100644
--- a/locales/es-US/analyzer.json
+++ b/locales/es-US/analyzer.json
@@ -223,5 +223,6 @@
 	"comp.removeAll": "Eliminar todos",
 	"comp.addAll": "Añadir todos",
 	"comp.singleWeaponCombos": "Combos de un arma",
-	"comp.graphicSubtitle": ""
+	"comp.graphicSubtitle": "",
+	"comp.exportHint": ""
 }
diff --git a/locales/es-US/art.json b/locales/es-US/art.json
index f1756fdb5..56d215d0c 100644
--- a/locales/es-US/art.json
+++ b/locales/es-US/art.json
@@ -24,5 +24,6 @@
 	"delete.title": "¿Seguro que quieres eliminar este arte?",
 	"unlink.title": "¿Seguro que quieres desvincular este arte de tu perfil? (solo {{username}} puede volver a añadirlo)",
 	"noArtForTag": "No se ha encontrado arte subido para #{{tag}}",
-	"imageFailed": ""
+	"imageFailed": "",
+	"openImage": ""
 }
diff --git a/locales/fr-CA/analyzer.json b/locales/fr-CA/analyzer.json
index 12388804b..4268422ae 100644
--- a/locales/fr-CA/analyzer.json
+++ b/locales/fr-CA/analyzer.json
@@ -223,5 +223,6 @@
 	"comp.removeAll": "",
 	"comp.addAll": "",
 	"comp.singleWeaponCombos": "",
-	"comp.graphicSubtitle": ""
+	"comp.graphicSubtitle": "",
+	"comp.exportHint": ""
 }
diff --git a/locales/fr-CA/art.json b/locales/fr-CA/art.json
index 9f38265a1..543ad1b29 100644
--- a/locales/fr-CA/art.json
+++ b/locales/fr-CA/art.json
@@ -24,5 +24,6 @@
 	"delete.title": "",
 	"unlink.title": "",
 	"noArtForTag": "",
-	"imageFailed": ""
+	"imageFailed": "",
+	"openImage": ""
 }
diff --git a/locales/fr-EU/analyzer.json b/locales/fr-EU/analyzer.json
index 01c689472..bb5486f82 100644
--- a/locales/fr-EU/analyzer.json
+++ b/locales/fr-EU/analyzer.json
@@ -223,5 +223,6 @@
 	"comp.removeAll": "",
 	"comp.addAll": "",
 	"comp.singleWeaponCombos": "",
-	"comp.graphicSubtitle": ""
+	"comp.graphicSubtitle": "",
+	"comp.exportHint": ""
 }
diff --git a/locales/fr-EU/art.json b/locales/fr-EU/art.json
index 10328c217..8a73b5492 100644
--- a/locales/fr-EU/art.json
+++ b/locales/fr-EU/art.json
@@ -24,5 +24,6 @@
 	"delete.title": "Êtes vous sûre de vouloir supprimer cette œuvre?",
 	"unlink.title": "Êtes vous sûre de vouloir supprimer cette œuvre de votre profil? (Seulement {{username}} pourra le remettre)",
 	"noArtForTag": "",
-	"imageFailed": ""
+	"imageFailed": "",
+	"openImage": ""
 }
diff --git a/locales/he/analyzer.json b/locales/he/analyzer.json
index f5d919788..a6e86984f 100644
--- a/locales/he/analyzer.json
+++ b/locales/he/analyzer.json
@@ -223,5 +223,6 @@
 	"comp.removeAll": "הסר הכל",
 	"comp.addAll": "הוסף הכל",
 	"comp.singleWeaponCombos": "",
-	"comp.graphicSubtitle": ""
+	"comp.graphicSubtitle": "",
+	"comp.exportHint": ""
 }
diff --git a/locales/he/art.json b/locales/he/art.json
index 355a72d8e..294c25582 100644
--- a/locales/he/art.json
+++ b/locales/he/art.json
@@ -24,5 +24,6 @@
 	"delete.title": "האם אתה בטוח שאתה רוצה למחוק את הציור?",
 	"unlink.title": "האם אתה בטוח שאתה רוצה להסיר את הציור הזה מהפרופיל שלך (רק {{username}} יוכל להוסיף אותו חזרה)?",
 	"noArtForTag": "",
-	"imageFailed": ""
+	"imageFailed": "",
+	"openImage": ""
 }
diff --git a/locales/it/analyzer.json b/locales/it/analyzer.json
index 647ecedaf..4b8ec69e5 100644
--- a/locales/it/analyzer.json
+++ b/locales/it/analyzer.json
@@ -223,5 +223,6 @@
 	"comp.removeAll": "",
 	"comp.addAll": "",
 	"comp.singleWeaponCombos": "",
-	"comp.graphicSubtitle": ""
+	"comp.graphicSubtitle": "",
+	"comp.exportHint": ""
 }
diff --git a/locales/it/art.json b/locales/it/art.json
index bab969f02..13878e8f8 100644
--- a/locales/it/art.json
+++ b/locales/it/art.json
@@ -24,5 +24,6 @@
 	"delete.title": "",
 	"unlink.title": "",
 	"noArtForTag": "",
-	"imageFailed": ""
+	"imageFailed": "",
+	"openImage": ""
 }
diff --git a/locales/ja/analyzer.json b/locales/ja/analyzer.json
index a8ab48f47..ed6fd3491 100644
--- a/locales/ja/analyzer.json
+++ b/locales/ja/analyzer.json
@@ -211,5 +211,6 @@
 	"comp.removeAll": "",
 	"comp.addAll": "",
 	"comp.singleWeaponCombos": "",
-	"comp.graphicSubtitle": ""
+	"comp.graphicSubtitle": "",
+	"comp.exportHint": ""
 }
diff --git a/locales/ja/art.json b/locales/ja/art.json
index 707c457b4..d28910974 100644
--- a/locales/ja/art.json
+++ b/locales/ja/art.json
@@ -21,5 +21,6 @@
 	"delete.title": "本当にこの作品を削除しますか？",
 	"unlink.title": "本当にこの作品をプロフィールから削除しますか？{{username}}しか再び追加することはできません。",
 	"noArtForTag": "#{{tag}}の作品が見つかりませんでした。",
-	"imageFailed": ""
+	"imageFailed": "",
+	"openImage": ""
 }
diff --git a/locales/ko/analyzer.json b/locales/ko/analyzer.json
index 6ccc2aa71..5b2523043 100644
--- a/locales/ko/analyzer.json
+++ b/locales/ko/analyzer.json
@@ -211,5 +211,6 @@
 	"comp.removeAll": "",
 	"comp.addAll": "",
 	"comp.singleWeaponCombos": "",
-	"comp.graphicSubtitle": ""
+	"comp.graphicSubtitle": "",
+	"comp.exportHint": ""
 }
diff --git a/locales/ko/art.json b/locales/ko/art.json
index 654f7c885..fcaf0c8c3 100644
--- a/locales/ko/art.json
+++ b/locales/ko/art.json
@@ -21,5 +21,6 @@
 	"delete.title": "",
 	"unlink.title": "",
 	"noArtForTag": "",
-	"imageFailed": ""
+	"imageFailed": "",
+	"openImage": ""
 }
diff --git a/locales/nl/analyzer.json b/locales/nl/analyzer.json
index 559986a49..bbe72b670 100644
--- a/locales/nl/analyzer.json
+++ b/locales/nl/analyzer.json
@@ -219,5 +219,6 @@
 	"comp.removeAll": "",
 	"comp.addAll": "",
 	"comp.singleWeaponCombos": "",
-	"comp.graphicSubtitle": ""
+	"comp.graphicSubtitle": "",
+	"comp.exportHint": ""
 }
diff --git a/locales/nl/art.json b/locales/nl/art.json
index 852565d8a..4d3d4b4d7 100644
--- a/locales/nl/art.json
+++ b/locales/nl/art.json
@@ -23,5 +23,6 @@
 	"delete.title": "",
 	"unlink.title": "",
 	"noArtForTag": "",
-	"imageFailed": ""
+	"imageFailed": "",
+	"openImage": ""
 }
diff --git a/locales/pl/analyzer.json b/locales/pl/analyzer.json
index b9adfd20f..631a26eb4 100644
--- a/locales/pl/analyzer.json
+++ b/locales/pl/analyzer.json
@@ -227,5 +227,6 @@
 	"comp.removeAll": "",
 	"comp.addAll": "",
 	"comp.singleWeaponCombos": "",
-	"comp.graphicSubtitle": ""
+	"comp.graphicSubtitle": "",
+	"comp.exportHint": ""
 }
diff --git a/locales/pl/art.json b/locales/pl/art.json
index f801affdc..9929c2269 100644
--- a/locales/pl/art.json
+++ b/locales/pl/art.json
@@ -25,5 +25,6 @@
 	"delete.title": "",
 	"unlink.title": "",
 	"noArtForTag": "",
-	"imageFailed": ""
+	"imageFailed": "",
+	"openImage": ""
 }
diff --git a/locales/pt-BR/analyzer.json b/locales/pt-BR/analyzer.json
index fb72dce13..f5d7a26de 100644
--- a/locales/pt-BR/analyzer.json
+++ b/locales/pt-BR/analyzer.json
@@ -223,5 +223,6 @@
 	"comp.removeAll": "",
 	"comp.addAll": "",
 	"comp.singleWeaponCombos": "",
-	"comp.graphicSubtitle": ""
+	"comp.graphicSubtitle": "",
+	"comp.exportHint": ""
 }
diff --git a/locales/pt-BR/art.json b/locales/pt-BR/art.json
index 303786be2..4fd889008 100644
--- a/locales/pt-BR/art.json
+++ b/locales/pt-BR/art.json
@@ -24,5 +24,6 @@
 	"delete.title": "",
 	"unlink.title": "",
 	"noArtForTag": "",
-	"imageFailed": ""
+	"imageFailed": "",
+	"openImage": ""
 }
diff --git a/locales/ru/analyzer.json b/locales/ru/analyzer.json
index ebf3a53e4..b4e534cbf 100644
--- a/locales/ru/analyzer.json
+++ b/locales/ru/analyzer.json
@@ -227,5 +227,6 @@
 	"comp.removeAll": "",
 	"comp.addAll": "",
 	"comp.singleWeaponCombos": "",
-	"comp.graphicSubtitle": ""
+	"comp.graphicSubtitle": "",
+	"comp.exportHint": ""
 }
diff --git a/locales/ru/art.json b/locales/ru/art.json
index 08a0d70a6..a78245334 100644
--- a/locales/ru/art.json
+++ b/locales/ru/art.json
@@ -25,5 +25,6 @@
 	"delete.title": "Вы точно хотите удалить этот арт?",
 	"unlink.title": "Вы точно хотите удалить этот арт с вашего профиля (только {{username}} может добавить его обратно)?",
 	"noArtForTag": "",
-	"imageFailed": ""
+	"imageFailed": "",
+	"openImage": ""
 }
diff --git a/locales/zh/analyzer.json b/locales/zh/analyzer.json
index a29764961..91ef92042 100644
--- a/locales/zh/analyzer.json
+++ b/locales/zh/analyzer.json
@@ -214,5 +214,6 @@
 	"comp.removeAll": "移除所有",
 	"comp.addAll": "添加所有",
 	"comp.singleWeaponCombos": "",
-	"comp.graphicSubtitle": ""
+	"comp.graphicSubtitle": "",
+	"comp.exportHint": ""
 }
diff --git a/locales/zh/art.json b/locales/zh/art.json
index af36e7d61..fb1cf8c78 100644
--- a/locales/zh/art.json
+++ b/locales/zh/art.json
@@ -22,5 +22,6 @@
 	"delete.title": "您确定要删除这件作品吗？",
 	"unlink.title": "您确定要将这件作品从个人资料中移除吗（只有 {{username}} 可以重新添加）？",
 	"noArtForTag": "未能找到包含 #{{tag}} 的作品。",
-	"imageFailed": ""
+	"imageFailed": "",
+	"openImage": ""
 }