Color

#289559

#289559
hex#289559
rgbrgb(40, 149, 89)
hslhsl(147, 58%, 37%)
oklchoklch(0.595 0.133 154.3)
Closest name: Eucalyptus (#329760)Relative luminance 0.2267

Colors that go with #289559

Charcoal, Crimson and Blue 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 →

#952864

#2d9528 · #289590

#592895 · #955928

Split-complementary

Open in tool →

#902895 · #95282d

#282d95 · #952864 · #959028

Contrast

#289559 as textRatioAAAA largeAAAFix
Aaon white
3.8:1failpassfail
  • AA: use #23854f as the text (4.63:1)
  • AAA: use #1b653c as the text (7.06:1)
  • AA: or shift the background to #1a1a1a (4.59:1)
Aaon black
5.53:1passpassfail
  • AAA: use #2ead67 as the text (7.29:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #289559 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 #289559
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 #289559 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/289559-a2beb2-d059d4-1f2d2c-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