Color

#178c6b

#178c6b
hex#178c6b
rgbrgb(23, 140, 107)
hslhsl(163, 72%, 32%)
oklchoklch(0.571 0.11 167.9)
Closest name: Elf (#1b8a6b)Relative luminance 0.2

Colors that go with #178c6b

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 →

#8c1738

#178c30 · #17738c

#6b178c · #8c6b17

Split-complementary

Open in tool →

#8c1773 · #8c3017

#30178c · #8c1738 · #738c17

Contrast

#178c6b as textRatioAAAA largeAAAFix
Aaon white
4.2:1failpassfail
  • AA: use #158464 as the text (4.65:1)
  • AAA: use #10654d as the text (7.02:1)
  • AA: or shift the background to #0f0f0f (4.56:1)
Aaon black
5:1passpassfail
  • AAA: use #1cab82 as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #178c6b 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 #178c6b
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 #178c6b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/178c6b-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