Color

#b1ef3e

#b1ef3e
hex#b1ef3e
rgbrgb(177, 239, 62)
hslhsl(81, 85%, 59%)
oklchoklch(0.879 0.207 127.4)
Closest name: Inchworm (#b2ec5d)Relative luminance 0.7143

Colors that go with #b1ef3e

Violet, Blue and Crimson 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 →

#7c3eef

#efd53e · #58ef3e

#3eb1ef · #ef3eb1

Split-complementary

Open in tool →

#3e58ef · #d53eef

#3eefd5 · #7c3eef · #ef3e58

Contrast

#b1ef3e as textRatioAAAA largeAAAFix
Aaon white
1.37:1failfailfail
  • AA: use #567f0a as the text (4.73:1)
  • AAA: use #405e08 as the text (7.44:1)
  • AA: or shift the background to #616161 (4.51:1)
  • AAA: or shift the background to #424242 (7.32:1)
Aaon black
15.29:1passpasspassPasses 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 #b1ef3e 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 #b1ef3e
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 #b1ef3e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b1ef3e-b1bea2-4e62df-222d1f-f1f0e9?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