Color

#287f1f

#287f1f
hex#287f1f
rgbrgb(40, 127, 31)
hslhsl(114, 61%, 31%)
oklchoklch(0.525 0.154 141.8)
Closest name: green (#008000)Relative luminance 0.1573

Colors that go with #287f1f

Charcoal, Crimson and Royal 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 →

#761f7f

#597f1f · #1f7f45

#1f287f · #7f1f28

Split-complementary

Open in tool →

#451f7f · #7f1f59

#1f597f · #761f7f · #7f451f

Contrast

#287f1f as textRatioAAAA largeAAAFix
Aaon white
5.07:1passpassfail
  • AAA: use #1f6318 as the text (7.35:1)
Aaon black
4.15:1failpassfail
  • AA: use #2b8721 as the text (4.59:1)
  • AAA: use #37ac2a as the text (7.1:1)
  • AA: or shift the background to #f2f2f2 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #287f1f as the background.

Brands using this color

mcpConnect your agent — build around #287f1f
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 #287f1f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/287f1f-a2bea2-8a4edf-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