Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #73757d as the background.

Brands using this color

Notiongray · #787774 · Δ1.816

Palettes built around it

171717 737373 c2410c ffffff

Gallery

Open in tool →

Near-monochrome with one burnt-orange highlight — an art director's default because it never competes with the work.

Editorial Minimal Light

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

4f46e5 6b7280 10b981 ffffff 111827

Indigo SaaS

Open in tool →

The dependable indigo-and-emerald B2B pairing: indigo for primary actions, emerald reserved for success states.

Modern Cool CleanSaas

Fonts for this mood

#73757d reads as neutral, minimal. The font library is tagged with the same vocabulary:

Neutral fonts →Minimal fonts →

mcpConnect your agent — build around #73757d

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 #73757d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/73757d-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