Color

#4b7272

#4b7272
hex#4b7272
rgbrgb(75, 114, 114)
hslhsl(180, 21%, 37%)
oklchoklch(0.523 0.044 195.9)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1475

Colors that go with #4b7272

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 #4b7272

Tints & shades

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

Harmonies

Complementary

Open in tool →

#724b4b

#4b725e · #4b5e72

#724b72 · #72724b

Split-complementary

Open in tool →

#724b5e · #725e4b

#5e4b72 · #724b4b · #5e724b

Contrast

#4b7272 as textRatioAAAA largeAAAFix
Aaon white
5.32:1passpassfail
  • AAA: use #3c5d5d as the text (7.2:1)
Aaon black
3.95:1failpassfail
  • AA: use #537f7f as the text (4.71:1)
  • AAA: use #6b9e9e as the text (7.01:1)
  • AA: or shift the background to #ededed (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b7272 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 #4b7272
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 #4b7272 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b7272-a2bbbe-d45994-1f272d-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