Color

#b5e133

#b5e133
hex#b5e133
rgbrgb(181, 225, 51)
hslhsl(75, 74%, 54%)
oklchoklch(0.849 0.194 123.4)
Closest name: Conifer (#b1dd52)Relative luminance 0.6391

Colors that go with #b5e133

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 →

#5e33e1

#e1b533 · #5ee133

#33b5e1 · #e133b5

Split-complementary

Open in tool →

#335ee1 · #b533e1

#33e1b5 · #5e33e1 · #e1335e

Contrast

#b5e133 as textRatioAAAA largeAAAFix
Aaon white
1.52:1failfailfail
  • AA: use #627c13 as the text (4.76:1)
  • AAA: use #495d0e as the text (7.35:1)
  • AA: or shift the background to #595959 (4.6:1)
  • AAA: or shift the background to #3d3d3d (7.13:1)
Aaon black
13.78:1passpasspassPasses 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 #b5e133 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 #b5e133
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 #b5e133 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b5e133-b4bea2-4e70df-242d1f-f1efe9?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