#f9de7b as text	Ratio	AA	AA large	AAA	Fix
Aaon white	1.33:1	fail	fail	fail	AA: use #8d7007 as the text (4.72:1) AAA: use #6b5505 as the text (7.18:1) AA: or shift the background to #636363 (4.51:1) AAA: or shift the background to #454545 (7.2:1)
Aaon black	15.76:1	pass	pass	pass	Passes AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f9de7b 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

f4a6a0 a8d8ea ffd97d fef9f3 4a3f3a

Nursery

Open in tool →

Pastel coral, sky and butter — soft enough for a newborn brand, with warm brown text instead of harsh black.

Light Muted FriendlyKids

Fonts for this mood

#f9de7b reads as warm, vivid, light. The font library is tagged with the same vocabulary:

Warm fonts →Playful fonts →Bold fonts →Friendly fonts →Clean fonts →

mcpConnect your agent — build around #f9de7b

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 #f9de7b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f9de7b-c4c09c-62abcb-2a2d1f-f1ece9?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