Color

#288a60

#288a60
hex#288a60
rgbrgb(40, 138, 96)
hslhsl(154, 55%, 35%)
oklchoklch(0.566 0.111 160.6)
Closest name: seagreen (#2e8b57)Relative luminance 0.1947

Colors that go with #288a60

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 →

#8a2853

#288a2f · #28848a

#60288a · #8a6028

Split-complementary

Open in tool →

#8a2884 · #8a2f28

#2f288a · #8a2853 · #848a28

Contrast

#288a60 as textRatioAAAA largeAAAFix
Aaon white
4.29:1failpassfail
  • AA: use #27865d as the text (4.51:1)
  • AAA: use #1d6344 as the text (7.19:1)
  • AA: or shift the background to #0d0d0d (4.53:1)
Aaon black
4.89:1passpassfail
  • AAA: use #31aa76 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #288a60 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 #288a60
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 #288a60 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/288a60-a2beb5-d459ca-1f2d2d-e9f1ea?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