Color

#287643

#287643
hex#287643
rgbrgb(40, 118, 67)
hslhsl(141, 49%, 31%)
oklchoklch(0.505 0.111 151.6)
Closest name: Gale of the Wind (#007844)Relative luminance 0.1381

Colors that go with #287643

Charcoal, Medium Violet Red and Copper 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 →

#76285b

#347628 · #28766a

#432876 · #764328

Split-complementary

Open in tool →

#6a2876 · #762834

#283476 · #76285b · #766a28

Contrast

#287643 as textRatioAAAA largeAAAFix
Aaon white
5.58:1passpassfail
  • AAA: use #226339 as the text (7.21:1)
Aaon black
3.76:1failpassfail
  • AA: use #2e854c as the text (4.58:1)
  • AAA: use #3bab62 as the text (7.19:1)
  • AA: or shift the background to #e8e8e8 (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 #287643 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 #287643
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 #287643 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/287643-a2beaf-c459d4-1f2d2a-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