Color

#1bbb73

#1bbb73
hex#1bbb73
rgbrgb(27, 187, 115)
hslhsl(153, 75%, 42%)
oklchoklch(0.699 0.162 156.5)
Closest name: Fennel Fiesta (#00bb77)Relative luminance 0.3701

Colors that go with #1bbb73

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 →

#bb1b63

#1bbb23 · #1bb3bb

#731bbb · #bb731b

Split-complementary

Open in tool →

#bb1bb3 · #bb231b

#231bbb · #bb1b63 · #b3bb1b

Contrast

#1bbb73 as textRatioAAAA largeAAAFix
Aaon white
2.5:1failfailfail
  • AA: use #138652 as the text (4.61:1)
  • AAA: use #0e623c as the text (7.42:1)
  • AA: or shift the background to #383838 (4.69:1)
  • AAA: or shift the background to #171717 (7.17:1)
Aaon black
8.4:1passpasspassPasses 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 #1bbb73 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 #1bbb73
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 #1bbb73 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bbb73-a2beb5-d459cc-1f2d2d-e9f1ea?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