Color

#289a52

#289a52
hex#289a52
rgbrgb(40, 154, 82)
hslhsl(142, 59%, 38%)
oklchoklch(0.607 0.147 151.1)
Closest name: Green Revolution (#009944)Relative luminance 0.2417

Colors that go with #289a52

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 →

#9a2870

#379a28 · #289a8b

#52289a · #9a5228

Split-complementary

Open in tool →

#8b289a · #9a2837

#28379a · #9a2870 · #9a8b28

Contrast

#289a52 as textRatioAAAA largeAAAFix
Aaon white
3.6:1failpassfail
  • AA: use #238647 as the text (4.59:1)
  • AAA: use #1a6536 as the text (7.1:1)
  • AA: or shift the background to #1f1f1f (4.58:1)
Aaon black
5.83:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #289a52 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 #289a52
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 #289a52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/289a52-a2beaf-c659d4-1f2d2a-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