Color

#b5ec0e

#b5ec0e
hex#b5ec0e
rgbrgb(181, 236, 14)
hslhsl(75, 89%, 49%)
oklchoklch(0.873 0.217 125)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.6985

Colors that go with #b5ec0e

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 →

#450eec

#ecb50e · #45ec0e

#0eb5ec · #ec0eb5

Split-complementary

Open in tool →

#0e45ec · #b50eec

#0eecb5 · #450eec · #ec0e45

Contrast

#b5ec0e as textRatioAAAA largeAAAFix
Aaon white
1.4:1failfailfail
  • AA: use #607d07 as the text (4.74:1)
  • AAA: use #4a6006 as the text (7.08:1)
  • AA: or shift the background to #5e5e5e (4.62:1)
  • AAA: or shift the background to #424242 (7.16:1)
Aaon black
14.97:1passpasspassPasses 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 #b5ec0e 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 #b5ec0e
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 #b5ec0e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b5ec0e-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