Color

#b8f381

#b8f381
hex#b8f381
rgbrgb(184, 243, 129)
hslhsl(91, 83%, 73%)
oklchoklch(0.899 0.157 131.4)
Closest name: Cucumber Milk (#c2f177)Relative luminance 0.7588

Colors that go with #b8f381

Plum, Blue and Charcoal 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 →

#bc81f3

#f1f381 · #81f383

#81b8f3 · #f381b8

Split-complementary

Open in tool →

#8381f3 · #f381f1

#81f1f3 · #bc81f3 · #f38381

Contrast

#b8f381 as textRatioAAAA largeAAAFix
Aaon white
1.3:1failfailfail
  • AA: use #45830c as the text (4.66:1)
  • AAA: use #346209 as the text (7.25:1)
  • AA: or shift the background to #636363 (4.63:1)
  • AAA: or shift the background to #474747 (7.16:1)
Aaon black
16.18:1passpasspassPasses 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 #b8f381 as the background.

Brands using this color

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

Fonts for this mood

#b8f381 reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b8f381
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 #b8f381 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b8f381-acbea2-534edf-202d1f-f1f1e9?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