Color

#287757

#287757
hex#287757
rgbrgb(40, 119, 87)
hslhsl(156, 50%, 31%)
oklchoklch(0.512 0.093 162.9)
Closest name: Greasy Greens (#117755)Relative luminance 0.1433

Colors that go with #287757

Charcoal, Crimson and Medium Violet Red 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#772847

#28772f · #286f77

#572877 · #775728

Split-complementary

Open in tool →

#77286f · #772f28

#2f2877 · #772847 · #6f7728

Contrast

#287757 as textRatioAAAA largeAAAFix
Aaon white
5.43:1passpassfail
  • AAA: use #216349 as the text (7.13:1)
Aaon black
3.87:1failpassfail
  • AA: use #2d8662 as the text (4.7:1)
  • AAA: use #38a87b as the text (7.06:1)
  • AA: or shift the background to #ebebeb (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #287757 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 #287757
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 #287757 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/287757-a2beb6-d459c6-1f2d2d-e9f1ea?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