#bb1b4e as text	Ratio	AA	AA large	AAA	Fix
Aaon white	6.21:1	pass	pass	fail	AAA: use #aa1846 as the text (7.17:1)
Aaon black	3.38:1	fail	pass	fail	AA: use #e02460 as the text (4.59:1) AAA: use #ea6c94 as the text (7.07:1) AA: or shift the background to #dedede (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bb1b4e as the background.

Brands using this color

Chaseaccent · #bf2155 · Δ1.364

Fonts for this mood

#bb1b4e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

Warm fonts →Playful fonts →Bold fonts →

mcpConnect your agent — build around #bb1b4e

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 #bb1b4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb1b4e-c49ca4-62cb77-2d211f-f1e9ef?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