Color

#289f52

#289f52
hex#289f52
rgbrgb(40, 159, 82)
hslhsl(141, 60%, 39%)
oklchoklch(0.62 0.153 150.4)
Closest name: Green Revolution (#009944)Relative luminance 0.2586

Colors that go with #289f52

Charcoal, Blue and Crimson 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 →

#9f2875

#3a9f28 · #289f8d

#52289f · #9f5228

Split-complementary

Open in tool →

#8d289f · #9f283a

#283a9f · #9f2875 · #9f8d28

Contrast

#289f52 as textRatioAAAA largeAAAFix
Aaon white
3.4:1failpassfail
  • AA: use #228745 as the text (4.55:1)
  • AAA: use #1a6634 as the text (7.01:1)
  • AA: or shift the background to #242424 (4.56:1)
Aaon black
6.17:1passpassfail
  • AAA: use #2bab58 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #289f52 as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #289f52
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 #289f52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/289f52-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