Color

#1bb666

#1bb666
hex#1bb666
rgbrgb(27, 182, 102)
hslhsl(149, 74%, 41%)
oklchoklch(0.683 0.168 153.5)
Closest name: Green Mana (#26b467)Relative luminance 0.3465

Colors that go with #1bb666

Charcoal, Mustard Yellow and Royal Blue 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 →

#b61b6b

#1eb61b · #1bb6b3

#661bb6 · #b6661b

Split-complementary

Open in tool →

#b31bb6 · #b61b1e

#1b1eb6 · #b61b6b · #b6b31b

Contrast

#1bb666 as textRatioAAAA largeAAAFix
Aaon white
2.65:1failfailfail
  • AA: use #14854b as the text (4.68:1)
  • AAA: use #0f6639 as the text (7.05:1)
  • AA: or shift the background to #363636 (4.56:1)
  • AAA: or shift the background to #121212 (7.07:1)
Aaon black
7.93:1passpasspassPasses 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 #1bb666 as the background.

Brands using this color

mcpConnect your agent — build around #1bb666
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 #1bb666 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bb666-a2beb3-d459d4-1f2d2c-e9f1e9?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