#fb9528 as text	Ratio	AA	AA large	AAA	Fix
Aaon white	2.23:1	fail	fail	fail	AA: use #b45f04 as the text (4.59:1) AAA: use #874703 as the text (7.16:1) AA: or shift the background to #424242 (4.51:1) AAA: or shift the background to #212121 (7.23:1)
Aaon black	9.43:1	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 #fb9528 as the background.

Brands using this color

PayPalaccent · #ff9100 · Δ1.218

Palettes built around it

58cc02 1cb0f6 ff9600 ffffff 1c1c1c

Learning App

Open in tool →

Green, blue and orange at full saturation: the gamified-learning look, where every color is a reward.

Playful Vivid FriendlyEducation

ff8c00 3b82f6 22c55e fff8e7 1d1d1d

Playground

Open in tool →

Orange, blue and green — the colors of playground equipment; loud, cheerful, obviously for kids.

Bold Playful WarmKids

Fonts for this mood

#fb9528 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 #fb9528

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 #fb9528 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fb9528-c4b59c-62c7cb-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