Color

#1bbb83

#1bbb83
hex#1bbb83
rgbrgb(27, 187, 131)
hslhsl(159, 75%, 42%)
oklchoklch(0.703 0.148 162.4)
Closest name: Fennel Fiesta (#00bb77)Relative luminance 0.3741

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb1b53

#1bbb33 · #1ba3bb

#831bbb · #bb831b

Split-complementary

Open in tool →

#bb1ba3 · #bb331b

#331bbb · #bb1b53 · #a3bb1b

Contrast

#1bbb83 as textRatioAAAA largeAAAFix
Aaon white
2.48:1failfailfail
  • AA: use #13865e as the text (4.57:1)
  • AAA: use #0e6245 as the text (7.36:1)
  • AA: or shift the background to #3b3b3b (4.52:1)
  • AAA: or shift the background to #1a1a1a (7.03:1)
Aaon black
8.48:1passpasspassPasses 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 #1bbb83 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #1bbb83
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1bbb83 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bbb83-a2beb8-d459c0-1f2c2d-e9f1eb?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