#fcd679 as text	Ratio	AA	AA large	AAA	Fix
Aaon white	1.4:1	fail	fail	fail	AA: use #966c03 as the text (4.73:1) AAA: use #735302 as the text (7.08:1) AA: or shift the background to #5e5e5e (4.64:1) AAA: or shift the background to #424242 (7.19:1)
Aaon black	15.03:1	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 #fcd679 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

ff6b35 ffd166 06d6a0 ffffff 1f1f1f

Fresh Juice

Open in tool →

Orange, mango and mint — a sugar rush; keep the type black so it stays legible under all that color.

Playful Vivid LightFood

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

#fcd679 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 #fcd679

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 #fcd679 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fcd679-c4bd9c-62b2cb-2b2d1f-f1ebe9?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