Color

#3f8d88

#3f8d88
hex#3f8d88
rgbrgb(63, 141, 136)
hslhsl(176, 38%, 40%)
oklchoklch(0.593 0.077 189.6)
Closest name: Highlands (#449084)Relative luminance 0.2188

Colors that go with #3f8d88

Charcoal, Copper and Cobalt 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.

Real palettes that use #3f8d88

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#8d3f44

#3f8d61 · #3f6b8d

#883f8d · #8d883f

Split-complementary

Open in tool →

#8d3f6b · #8d613f

#613f8d · #8d3f44 · #6b8d3f

Contrast

#3f8d88 as textRatioAAAA largeAAAFix
Aaon white
3.91:1failpassfail
  • AA: use #397f7a as the text (4.68:1)
  • AAA: use #2b5f5c as the text (7.26:1)
  • AA: or shift the background to #171717 (4.59:1)
Aaon black
5.38:1passpassfail
  • AAA: use #4aa59f as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f8d88 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #3f8d88
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 #3f8d88 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f8d88-a2bdbe-d4599d-1f282d-e9f1ed?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