Color

#4f7271

#4f7271
hex#4f7271
rgbrgb(79, 114, 113)
hslhsl(178, 18%, 38%)
oklchoklch(0.525 0.04 193.8)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1489

Colors that go with #4f7271

Charcoal, Sienna and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #4f7271

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#724f51

#4f7260 · #4f6272

#714f72 · #72714f

Split-complementary

Open in tool →

#724f62 · #72604f

#604f72 · #724f51 · #62724f

Contrast

#4f7271 as textRatioAAAA largeAAAFix
Aaon white
5.28:1passpassfail
  • AAA: use #415d5c as the text (7.13:1)
Aaon black
3.98:1failpassfail
  • AA: use #567b7a as the text (4.51:1)
  • AAA: use #729d9b as the text (7.01:1)
  • AA: or shift the background to #ededed (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f7271 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #4f7271
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4f7271 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f7271-a2bcbe-d45999-1f282d-e9f1ed?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