Color

#288a3a

#288a3a
hex#288a3a
rgbrgb(40, 138, 58)
hslhsl(131, 55%, 35%)
oklchoklch(0.559 0.147 146.3)
Closest name: Broccoli Paradise (#008833)Relative luminance 0.1893

Colors that go with #288a3a

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 →

#8a2878

#478a28 · #288a6b

#3a288a · #8a3a28

Split-complementary

Open in tool →

#6b288a · #8a2847

#28478a · #8a2878 · #8a6b28

Contrast

#288a3a as textRatioAAAA largeAAAFix
Aaon white
4.39:1failpassfail
  • AA: use #278638 as the text (4.61:1)
  • AAA: use #1d632a as the text (7.32:1)
  • AA: or shift the background to #0a0a0a (4.51:1)
Aaon black
4.79:1passpassfail
  • AAA: use #32ae49 as the text (7.29:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #288a3a 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 #288a3a
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 #288a3a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/288a3a-a2beaa-b34edf-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