Color

#bcfb51

#bcfb51
hex#bcfb51
rgbrgb(188, 251, 81)
hslhsl(82, 96%, 65%)
oklchoklch(0.915 0.204 127.6)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.8028

Colors that go with #bcfb51

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 →

#8f50fb

#fbe550 · #67fb50

#50bdfb · #fb50bd

Split-complementary

Open in tool →

#5067fb · #e550fb

#50fbe5 · #8f50fb · #fb5067

Contrast

#bcfb51 as textRatioAAAA largeAAAFix
Aaon white
1.23:1failfailfail
  • AA: use #538203 as the text (4.6:1)
  • AAA: use #3d5f02 as the text (7.4:1)
  • AA: or shift the background to #666666 (4.66:1)
  • AAA: or shift the background to #4a4a4a (7.2:1)
Aaon black
17.06:1passpasspassPasses 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 #bcfb51 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 #bcfb51
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 #bcfb51 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bcfb51-b0bea2-4e5fdf-222d1f-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