Color

#288666

#288666
hex#288666
rgbrgb(40, 134, 102)
hslhsl(160, 54%, 34%)
oklchoklch(0.557 0.101 166.1)
Closest name: Elf (#1b8a6b)Relative luminance 0.1846

Colors that go with #288666

Charcoal, Crimson and Medium Violet Red 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 →

#862847

#288637 · #287686

#662886 · #866628

Split-complementary

Open in tool →

#862876 · #863728

#372886 · #862847 · #768628

Contrast

#288666 as textRatioAAAA largeAAAFix
Aaon white
4.48:1failpassfail
  • AA: use #278263 as the text (4.71:1)
  • AAA: use #1d624b as the text (7.24:1)
  • AA: or shift the background to #050505 (4.55:1)
Aaon black
4.69:1passpassfail
  • AAA: use #32a981 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #288666 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 #288666
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 #288666 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/288666-a2beb8-d459be-1f2c2d-e9f1eb?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