Color

#178c81

#178c81
hex#178c81
rgbrgb(23, 140, 129)
hslhsl(174, 72%, 32%)
oklchoklch(0.578 0.097 184.9)
Closest name: Go Go Green (#008a7d)Relative luminance 0.2052

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8c1723

#178c46 · #175d8c

#81178c · #8c8117

Split-complementary

Open in tool →

#8c175d · #8c4617

#46178c · #8c1723 · #5d8c17

Contrast

#178c81 as textRatioAAAA largeAAAFix
Aaon white
4.11:1failpassfail
  • AA: use #158479 as the text (4.56:1)
  • AAA: use #106058 as the text (7.4:1)
  • AA: or shift the background to #121212 (4.55:1)
Aaon black
5.1:1passpassfail
  • AAA: use #1ba799 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #178c81 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 #178c81
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #178c81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/178c81-a2bebe-d459a1-1f292d-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