Color

#289f1d

#289f1d
hex#289f1d
rgbrgb(40, 159, 29)
hslhsl(115, 69%, 37%)
oklchoklch(0.615 0.192 141.9)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2534

Colors that go with #289f1d

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 →

#951d9f

#699f1d · #1d9f53

#1d289f · #9f1d28

Split-complementary

Open in tool →

#531d9f · #9f1d69

#1d699f · #951d9f · #9f531d

Contrast

#289f1d as textRatioAAAA largeAAAFix
Aaon white
3.46:1failpassfail
  • AA: use #228619 as the text (4.67:1)
  • AAA: use #1a6713 as the text (7.02:1)
  • AA: or shift the background to #212121 (4.65:1)
Aaon black
6.07:1passpassfail
  • AAA: use #2bac20 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #289f1d 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 #289f1d
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 #289f1d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/289f1d-a2bea3-8d4edf-1f2d24-eef1e9?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