Color

#288a70

#288a70
hex#288a70
rgbrgb(40, 138, 112)
hslhsl(164, 55%, 35%)
oklchoklch(0.571 0.098 171.3)
Closest name: Elf (#1b8a6b)Relative luminance 0.198

Colors that go with #288a70

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 →

#8a2842

#288a3f · #28738a

#70288a · #8a7028

Split-complementary

Open in tool →

#8a2873 · #8a3f28

#3f288a · #8a2842 · #738a28

Contrast

#288a70 as textRatioAAAA largeAAAFix
Aaon white
4.23:1failpassfail
  • AA: use #26826a as the text (4.68:1)
  • AAA: use #1d6350 as the text (7.11:1)
  • AA: or shift the background to #0f0f0f (4.53:1)
Aaon black
4.96:1passpassfail
  • AAA: use #31aa8a as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #288a70 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 #288a70
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 #288a70 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/288a70-a2beba-d459b5-1f2b2d-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