#686e73 as text	Ratio	AA	AA large	AAA	Fix
Aaon white	5.16:1	pass	pass	fail	AAA: use #52575b as the text (7.31:1)
Aaon black	4.07:1	fail	pass	fail	AA: use #6f767b as the text (4.55:1) AAA: use #91979c as the text (7.11:1) AA: or shift the background to #f0f0f0 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #686e73 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

1b1b1b 6e6e6e 1e40af fcfbf7

Ink & Paper

Open in tool →

Two greys and one ink-blue link color: the palette of a well-set book page.

Minimal Editorial Clean

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

#686e73 reads as neutral, minimal. The font library is tagged with the same vocabulary:

Neutral fonts →Minimal fonts →

mcpConnect your agent — build around #686e73

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 #686e73 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/686e73-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