Color

#178c6d

#178c6d
hex#178c6d
rgbrgb(23, 140, 109)
hslhsl(164, 72%, 32%)
oklchoklch(0.572 0.109 169.2)
Closest name: Elf (#1b8a6b)Relative luminance 0.2004

Colors that go with #178c6d

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 →

#8c1736

#178c32 · #17718c

#6d178c · #8c6d17

Split-complementary

Open in tool →

#8c1771 · #8c3217

#32178c · #8c1736 · #718c17

Contrast

#178c6d as textRatioAAAA largeAAAFix
Aaon white
4.19:1failpassfail
  • AA: use #158466 as the text (4.64:1)
  • AAA: use #10654e as the text (7.02:1)
  • AA: or shift the background to #0f0f0f (4.57:1)
Aaon black
5.01:1passpassfail
  • AAA: use #1cab85 as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #178c6d 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 #178c6d
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 #178c6d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/178c6d-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