#aaa5b1 as text	Ratio	AA	AA large	AAA	Fix
Aaon white	2.41:1	fail	fail	fail	AA: use #797283 as the text (4.62:1) AAA: use #5b5562 as the text (7.19:1) AA: or shift the background to #3d3d3d (4.51:1) AAA: or shift the background to #1c1c1c (7.08:1)
Aaon black	8.73:1	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 #aaa5b1 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

a1a1aa 71717a f59e0b 18181b f4f4f5

Graphite

Open in tool →

A greyscale system with a single amber — the accent does all the work, so allow one per screen.

Technical Muted Dark Modern

Fonts for this mood

#aaa5b1 reads as neutral, minimal. The font library is tagged with the same vocabulary:

Neutral fonts →Minimal fonts →

mcpConnect your agent — build around #aaa5b1

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 #aaa5b1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aaa5b1-a2beb0-c859d4-1f2d2b-eaf1e9?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