Color

#1bb143

#1bb143
hex#1bb143
rgbrgb(27, 177, 67)
hslhsl(136, 74%, 40%)
oklchoklch(0.665 0.192 146.6)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.3208

Colors that go with #1bb143

Blue, Royal Blue and Taupe 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 →

#b11b89

#3eb11b · #1bb18e

#431bb1 · #b1431b

Split-complementary

Open in tool →

#8e1bb1 · #b11b3e

#1b3eb1 · #b11b89 · #b18e1b

Contrast

#1bb143 as textRatioAAAA largeAAAFix
Aaon white
2.83:1failfailfail
  • AA: use #148532 as the text (4.74:1)
  • AAA: use #0f6626 as the text (7.12:1)
  • AA: or shift the background to #303030 (4.66:1)
  • AAA: or shift the background to #080808 (7.07:1)
Aaon black
7.42:1passpasspassPasses 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 #1bb143 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 #1bb143
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 #1bb143 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bb143-a2bead-b959d4-1f2d29-ebf1e9?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