Color

#287e1b

#287e1b
hex#287e1b
rgbrgb(40, 126, 27)
hslhsl(112, 65%, 30%)
oklchoklch(0.522 0.155 141.3)
Closest name: green (#008000)Relative luminance 0.1545

Colors that go with #287e1b

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 →

#711b7e

#5a7e1b · #1b7e3f

#1b287e · #7e1b28

Split-complementary

Open in tool →

#3f1b7e · #7e1b5a

#1b5a7e · #711b7e · #7e3f1b

Contrast

#287e1b as textRatioAAAA largeAAAFix
Aaon white
5.13:1passpassfail
  • AAA: use #206515 as the text (7.16:1)
Aaon black
4.09:1failpassfail
  • AA: use #2b871d as the text (4.59:1)
  • AAA: use #37ad25 as the text (7.17:1)
  • AA: or shift the background to #f0f0f0 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #287e1b as the background.

Brands using this color

Fonts for this mood

#287e1b reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #287e1b
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 #287e1b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/287e1b-a2bea2-864edf-1f2d23-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