Color

#3c867b

#3c867b
hex#3c867b
rgbrgb(60, 134, 123)
hslhsl(171, 38%, 38%)
oklchoklch(0.57 0.076 182.5)
Closest name: Emerald Whispers (#2b8478)Relative luminance 0.1944

Colors that go with #3c867b

Charcoal, Copper 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.

Real palettes that use #3c867b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#863c47

#3c8656 · #3c6c86

#7b3c86 · #867b3c

Split-complementary

Open in tool →

#863c6c · #86563c

#563c86 · #863c47 · #6c863c

Contrast

#3c867b as textRatioAAAA largeAAAFix
Aaon white
4.3:1failpassfail
  • AA: use #3a8277 as the text (4.53:1)
  • AAA: use #2b5f57 as the text (7.3:1)
  • AA: or shift the background to #0d0d0d (4.52:1)
Aaon black
4.89:1passpassfail
  • AAA: use #4aa598 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 #3c867b 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 #3c867b
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 #3c867b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c867b-a2bebd-d459a7-1f292d-e9f1ec?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