#b1b9c3 as text	Ratio	AA	AA large	AAA	Fix
Aaon white	1.98:1	fail	fail	fail	AA: use #687687 as the text (4.64:1) AAA: use #4e5865 as the text (7.22:1) AA: or shift the background to #474747 (4.69:1) AAA: or shift the background to #2b2b2b (7.14:1)
Aaon black	10.6:1	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 #b1b9c3 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

cbb26a 8b83a8 b8b8c8 0a0a12 efe9dd

Midnight Luxe

Open in tool →

Champagne gold on ink-navy with a violet undertone — hotels and spirits use it because it reads expensive at any size.

Luxury Dark Elegant

Fonts for this mood

#b1b9c3 reads as cool, muted, light. The font library is tagged with the same vocabulary:

Minimal fonts →Clean fonts →

mcpConnect your agent — build around #b1b9c3

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 #b1b9c3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b1b9c3-9ca9c4-df584e-1f202d-e9f0f1?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