Blackwater as text	Ratio	AA	AA large	AAA	Fix
Aaon white	7.27:1	pass	pass	pass	Passes AAA — no fix needed.
Aaon black	2.89:1	fail	fail	fail	AA: use #737687 as the text (4.67:1) AAA: use #9496a4 as the text (7.16:1) AA: or shift the background to #cccccc (4.53:1) AAA: or shift the background to #fcfcfc (7.09:1)

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

2563eb 52525b 16a34a fafafa 18181b

Console Light

Open in tool →

A sober docs palette: one blue for interactive, one green for success, zinc greys for everything else.

Technical Clean Light

Fonts for this mood

Blackwater reads as muted, minimal. The font library is tagged with the same vocabulary:

Minimal fonts →

mcpConnect your agent — build around Blackwater

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 #545663 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/545663-9c9dc4-df864e-231f2d-e9eef1?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