Color

#b5f830

#b5f830
hex#b5f830
rgbrgb(181, 248, 48)
hslhsl(80, 93%, 58%)
oklchoklch(0.902 0.221 127.5)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.7717

Colors that go with #b5f830

Violet, Red and 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 →

#7330f8

#f8d630 · #51f830

#30b5f8 · #f830b5

Split-complementary

Open in tool →

#3051f8 · #d630f8

#30f8d6 · #7330f8 · #f83051

Contrast

#b5f830 as textRatioAAAA largeAAAFix
Aaon white
1.28:1failfailfail
  • AA: use #578005 as the text (4.67:1)
  • AAA: use #436204 as the text (7.03:1)
  • AA: or shift the background to #636363 (4.7:1)
  • AAA: or shift the background to #474747 (7.27:1)
Aaon black
16.43:1passpasspassPasses 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 #b5f830 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 #b5f830
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 #b5f830 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b5f830-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