#307366 as text	Ratio	AA	AA large	AAA	Fix
Aaon white	5.57:1	pass	pass	fail	AAA: use #296156 as the text (7.15:1)
Aaon black	3.77:1	fail	pass	fail	AA: use #368172 as the text (4.54:1) AAA: use #45a592 as the text (7.05:1) AA: or shift the background to #e8e8e8 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #307366 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

d97706 7c2d12 0f766e fffaf0 2a1b0c

Saffron

Open in tool →

Saffron and clove with a teal counterpoint — spice-market warmth, balanced so it doesn't go orange everywhere.

Warm Vivid Elegant

mcpConnect your agent — build around #307366

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 #307366 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/307366-a2bebc-d459ad-1f2a2d-e9f1ec?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