#ca731c as text	Ratio	AA	AA large	AAA	Fix
Aaon white	3.51:1	fail	pass	fail	AA: use #af6318 as the text (4.54:1) AAA: use #824a12 as the text (7.15:1) AA: or shift the background to #212121 (4.59:1)
Aaon black	5.98:1	pass	pass	fail	AAA: use #e0801f as the text (7.28:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ca731c as the background.

Brands using this color

Railwayaccent · #c67839 · Δ1.924

Fonts for this mood

#ca731c 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 #ca731c

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 #ca731c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ca731c-c4b59c-62c9cb-2d2c1f-f1eae9?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