Color

#bbec51

#bbec51
hex#bbec51
rgbrgb(187, 236, 81)
hslhsl(79, 80%, 62%)
oklchoklch(0.88 0.187 125.2)
Closest name: Inchworm (#b2ec5d)Relative luminance 0.7115

Colors that go with #bbec51

Blue, Charcoal and Crimson 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 →

#8251ec

#eccf51 · #6dec51

#51bbec · #ec51bb

Split-complementary

Open in tool →

#516dec · #cf51ec

#51eccf · #8251ec · #ec516d

Contrast

#bbec51 as textRatioAAAA largeAAAFix
Aaon white
1.38:1failfailfail
  • AA: use #5c810e as the text (4.56:1)
  • AAA: use #45600b as the text (7.16:1)
  • AA: or shift the background to #5e5e5e (4.7:1)
  • AAA: or shift the background to #424242 (7.29:1)
Aaon black
15.23:1passpasspassPasses 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 #bbec51 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 #bbec51
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 #bbec51 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bbec51-b2bea2-4e66df-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