#191b0e as text	Ratio	AA	AA large	AAA	Fix
Aaon white	17.44:1	pass	pass	pass	Passes AAA — no fix needed.
Aaon black	1.2:1	fail	fail	fail	AA: use #737d40 as the text (4.74:1) AAA: use #939e51 as the text (7.25:1) AA: or shift the background to #828282 (4.54:1) AAA: or shift the background to #a6a6a6 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #191b0e 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

b45309 6b5b45 0f766e f7f3ec 1f1a14

Magazine Ochre

Open in tool →

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

Editorial Warm Muted

c2410c 365314 fbbf24 f4efe6 1f1a12

Trailhead

Open in tool →

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

#191b0e reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

Luxury fonts →Bold fonts →

mcpConnect your agent — build around #191b0e

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 #191b0e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/191b0e-b7bea2-4e7edf-252d1f-f1eee9?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