Color

#178b96

#178b96
hex#178b96
rgbrgb(23, 139, 150)
hslhsl(185, 73%, 34%)
oklchoklch(0.583 0.095 205.1)
Closest name: darkcyan (#008b8b)Relative luminance 0.2085

Tints & shades

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

Harmonies

Complementary

Open in tool →

#962217

#179661 · #174c96

#96178b · #8b9617

Split-complementary

Open in tool →

#96174c · #966117

#611796 · #962217 · #4c9617

Contrast

#178b96 as textRatioAAAA largeAAAFix
Aaon white
4.06:1failpassfail
  • AA: use #16838d as the text (4.5:1)
  • AAA: use #11626a as the text (7.05:1)
  • AA: or shift the background to #141414 (4.54:1)
Aaon black
5.17:1passpassfail
  • AAA: use #1ca8b5 as the text (7.32:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #178b96 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#178b96 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #178b96
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 #178b96 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/178b96-a2b8be-df4e88-1f262d-e9f1ee?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