Color

#378670

#378670
hex#378670
rgbrgb(55, 134, 112)
hslhsl(163, 42%, 37%)
oklchoklch(0.564 0.085 172)
Closest name: Emerald Whispers (#2b8478)Relative luminance 0.1903

Colors that go with #378670

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 →

#86374d

#378648 · #377586

#703786 · #867037

Split-complementary

Open in tool →

#863775 · #864837

#483786 · #86374d · #758637

Contrast

#378670 as textRatioAAAA largeAAAFix
Aaon white
4.37:1failpassfail
  • AA: use #35826d as the text (4.6:1)
  • AAA: use #286251 as the text (7.1:1)
  • AA: or shift the background to #0a0a0a (4.53:1)
Aaon black
4.81:1passpassfail
  • AAA: use #44a78b as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #378670 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 #378670
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 #378670 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/378670-a2beb9-d459b7-1f2b2d-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