Color

#1bb131

#1bb131
hex#1bb131
rgbrgb(27, 177, 49)
hslhsl(129, 74%, 40%)
oklchoklch(0.663 0.204 144.4)
Closest name: Botanical Garden (#44aa11)Relative luminance 0.319

Colors that go with #1bb131

Royal Blue, Taupe and Fuchsia 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 →

#b11b9b

#4fb11b · #1bb17d

#311bb1 · #b1311b

Split-complementary

Open in tool →

#7d1bb1 · #b11b4f

#1b4fb1 · #b11b9b · #b17d1b

Contrast

#1bb131 as textRatioAAAA largeAAAFix
Aaon white
2.85:1failfailfail
  • AA: use #148525 as the text (4.76:1)
  • AAA: use #0f661c as the text (7.15:1)
  • AA: or shift the background to #303030 (4.64:1)
  • AAA: or shift the background to #080808 (7.04:1)
Aaon black
7.38:1passpasspassPasses 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 #1bb131 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 #1bb131
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 #1bb131 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bb131-a2bea9-ae4edf-1f2d27-ecf1e9?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