Color

#287e20

#287e20
hex#287e20
rgbrgb(40, 126, 32)
hslhsl(115, 59%, 31%)
oklchoklch(0.522 0.152 141.9)
Closest name: green (#008000)Relative luminance 0.1548

Colors that go with #287e20

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 →

#76207e

#577e20 · #207e47

#20287e · #7e2028

Split-complementary

Open in tool →

#47207e · #7e2057

#20577e · #76207e · #7e4720

Contrast

#287e20 as textRatioAAAA largeAAAFix
Aaon white
5.13:1passpassfail
  • AAA: use #20651a as the text (7.15:1)
Aaon black
4.1:1failpassfail
  • AA: use #2b8623 as the text (4.54:1)
  • AAA: use #38ae2d as the text (7.26:1)
  • AA: or shift the background to #f2f2f2 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #287e20 as the background.

Brands using this color

mcpConnect your agent — build around #287e20
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 #287e20 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/287e20-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