#1b180d as text	Ratio	AA	AA large	AAA	Fix
Aaon white	17.75:1	pass	pass	pass	Passes AAA — no fix needed.
Aaon black	1.18:1	fail	fail	fail	AA: use #83743f as the text (4.53:1) AAA: use #a99651 as the text (7.17:1) AA: or shift the background to #828282 (4.62:1) AAA: or shift the background to #a3a3a3 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b180d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

b91c1c 78716c d97706 f5f1ea 1c1917

Newsprint

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Ink-black on warm paper with a single red — the broadsheet hierarchy that lets typography lead.

Editorial Muted Warm

b45309 6b5b45 0f766e f7f3ec 1f1a14

Magazine Ochre

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Ochre and walnut on unbleached stock, with teal as the counterpoint — a features-section palette with some heat in it.

Editorial Warm Muted

ea580c 1c1917 0891b2 ffffff

Launch Orange

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Orange is the rarest SaaS primary, which is exactly why it stands out on a pricing page; cyan keeps it from feeling like a hardware store.

Bold Warm Vivid ModernSaas

c58b4a 8a6a55 e5c48a 1e1512 f3e9dd

Coffee Bar

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Espresso and caramel: a dark-roast palette that photographs latte art beautifully.

Dark Warm LuxuryFood

c2410c 365314 fbbf24 f4efe6 1f1a12

Trailhead

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Rust, pine and sun — high-visibility earth tones that read at a distance and on a trail sign.

Warm Bold VividOutdoors

Fonts for this mood

#1b180d reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

Warm fonts →Luxury fonts →Bold fonts →

mcpConnect your agent — build around #1b180d

live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp

claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp

try this prompt

›analyze #1b180d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b180d-c4c09c-62abcb-2a2d1f-f1ece9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md