Color

#b4ef3e

#b4ef3e
hex#b4ef3e
rgbrgb(180, 239, 62)
hslhsl(80, 85%, 59%)
oklchoklch(0.881 0.205 126.7)
Closest name: Inchworm (#b2ec5d)Relative luminance 0.7178

Colors that go with #b4ef3e

Blue, Crimson and Red 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 →

#793eef

#efd23e · #5bef3e

#3eb4ef · #ef3eb4

Split-complementary

Open in tool →

#3e5bef · #d23eef

#3eefd2 · #793eef · #ef3e5b

Contrast

#b4ef3e as textRatioAAAA largeAAAFix
Aaon white
1.37:1failfailfail
  • AA: use #587f0a as the text (4.71:1)
  • AAA: use #415e08 as the text (7.42:1)
  • AA: or shift the background to #616161 (4.53:1)
  • AAA: or shift the background to #454545 (7.01:1)
Aaon black
15.36:1passpasspassPasses 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 #b4ef3e 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 #b4ef3e
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 #b4ef3e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b4ef3e-b1bea2-4e64df-232d1f-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