Brex Secondary as text	Ratio	AA	AA large	AAA	Fix
Aaon white	3.55:1	fail	pass	fail	AA: use #e03400 as the text (4.51:1) AAA: use #a82700 as the text (7.11:1) AA: or shift the background to #212121 (4.54:1)
Aaon black	5.92:1	pass	pass	fail	AAA: use #ff6333 as the text (7.08:1)

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

Brands using this color

Fonts for this mood

Brex Secondary 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 Brex Secondary

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 #ff3d00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff3d00-c4aa9c-62cbb1-2d291f-f1e9eb?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