Color

#b5f877

#b5f877
hex#b5f877
rgbrgb(181, 248, 119)
hslhsl(91, 90%, 72%)
oklchoklch(0.907 0.174 131.8)
Closest name: Cucumber Milk (#c2f177)Relative luminance 0.7829

Colors that go with #b5f877

Blue, Crimson and Deep Sky Blue 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 →

#ba77f8

#f6f877 · #77f879

#77b5f8 · #f877b5

Split-complementary

Open in tool →

#7977f8 · #f877f6

#77f6f8 · #ba77f8 · #f87977

Contrast

#b5f877 as textRatioAAAA largeAAAFix
Aaon white
1.26:1failfailfail
  • AA: use #438307 as the text (4.68:1)
  • AAA: use #316105 as the text (7.39:1)
  • AA: or shift the background to #666666 (4.55:1)
  • AAA: or shift the background to #4a4a4a (7.03:1)
Aaon black
16.66:1passpasspassPasses 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 #b5f877 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

#b5f877 reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b5f877
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 #b5f877 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b5f877-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