Color

#1bb18e

#1bb18e
hex#1bb18e
rgbrgb(27, 177, 142)
hslhsl(166, 74%, 40%)
oklchoklch(0.679 0.128 171.3)
Closest name: Hobgoblin (#01ad8f)Relative luminance 0.3363

Colors that go with #1bb18e

Charcoal, Midnight Blue and Mustard Yellow 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 →

#b11b3e

#1bb143 · #1b89b1

#8e1bb1 · #b18e1b

Split-complementary

Open in tool →

#b11b89 · #b1431b

#431bb1 · #b11b3e · #89b11b

Contrast

#1bb18e as textRatioAAAA largeAAAFix
Aaon white
2.72:1failfailfail
  • AA: use #14856b as the text (4.57:1)
  • AAA: use #0f624e as the text (7.3:1)
  • AA: or shift the background to #333333 (4.65:1)
  • AAA: or shift the background to #0f0f0f (7.05:1)
Aaon black
7.73:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1bb18e 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 #1bb18e
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 #1bb18e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bb18e-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