Color

#1b8d8a

#1b8d8a
hex#1b8d8a
rgbrgb(27, 141, 138)
hslhsl(178, 68%, 33%)
oklchoklch(0.584 0.094 192.1)
Closest name: darkcyan (#008b8b)Relative luminance 0.2112

Colors that go with #1b8d8a

Charcoal, Copper and Crimson 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.

Real palettes that use #1b8d8a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8d1b1f

#1b8d50 · #1b588d

#8a1b8d · #8d8a1b

Split-complementary

Open in tool →

#8d1b58 · #8d501b

#501b8d · #8d1b1f · #588d1b

Contrast

#1b8d8a as textRatioAAAA largeAAAFix
Aaon white
4.02:1failpassfail
  • AA: use #18817d as the text (4.69:1)
  • AAA: use #136360 as the text (7.04:1)
  • AA: or shift the background to #141414 (4.58:1)
Aaon black
5.22:1passpassfail
  • AAA: use #20a7a3 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b8d8a 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 #1b8d8a
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 #1b8d8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b8d8a-a2bcbe-d45999-1f282d-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