Color

#288f3d

#288f3d
hex#288f3d
rgbrgb(40, 143, 61)
hslhsl(132, 56%, 36%)
oklchoklch(0.573 0.151 146.7)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.2043

Colors that go with #288f3d

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 →

#8f287b

#478f28 · #288f70

#3d288f · #8f3d28

Split-complementary

Open in tool →

#70288f · #8f2847

#28478f · #8f287b · #8f7028

Contrast

#288f3d as textRatioAAAA largeAAAFix
Aaon white
4.13:1failpassfail
  • AA: use #26873a as the text (4.56:1)
  • AAA: use #1c632a as the text (7.32:1)
  • AA: or shift the background to #121212 (4.54:1)
Aaon black
5.09:1passpassfail
  • AAA: use #30ab49 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #288f3d 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 #288f3d
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 #288f3d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/288f3d-a2beab-b64edf-1f2d28-ecf1e9?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