Color

#1b987b

#1b987b
hex#1b987b
rgbrgb(27, 152, 123)
hslhsl(166, 70%, 35%)
oklchoklch(0.608 0.112 172)
Closest name: Green Dynasty (#00988e)Relative luminance 0.2412

Colors that go with #1b987b

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.

Real palettes that use #1b987b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#981b38

#1b983c · #1b7698

#7b1b98 · #987b1b

Split-complementary

Open in tool →

#981b76 · #983c1b

#3c1b98 · #981b38 · #76981b

Contrast

#1b987b as textRatioAAAA largeAAAFix
Aaon white
3.61:1failpassfail
  • AA: use #178269 as the text (4.74:1)
  • AAA: use #126451 as the text (7.08:1)
  • AA: or shift the background to #1f1f1f (4.57:1)
Aaon black
5.82:1passpassfail
  • AAA: use #1ea989 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b987b 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 #1b987b
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 #1b987b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b987b-a2bebb-d459b1-1f2a2d-e9f1ec?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