Color

#288141

#288141
hex#288141
rgbrgb(40, 129, 65)
hslhsl(137, 53%, 33%)
oklchoklch(0.535 0.129 149.1)
Closest name: Bold Irish (#2a814d)Relative luminance 0.1653

Colors that go with #288141

Charcoal, Royal Blue and Dark Orchid 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 →

#812867

#3b8128 · #28816d

#412881 · #814128

Split-complementary

Open in tool →

#6d2881 · #81283b

#283b81 · #812867 · #816d28

Contrast

#288141 as textRatioAAAA largeAAAFix
Aaon white
4.88:1passpassfail
  • AAA: use #1f6533 as the text (7.08:1)
Aaon black
4.31:1failpassfail
  • AA: use #298543 as the text (4.53:1)
  • AAA: use #35ac56 as the text (7.19:1)
  • AA: or shift the background to #f7f7f7 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #288141 as the background.

Brands using this color

mcpConnect your agent — build around #288141
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 #288141 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/288141-a2bead-bb59d4-1f2d29-ebf1e9?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