Color

#bcf240

#bcf240
hex#bcf240
rgbrgb(188, 242, 64)
hslhsl(78, 87%, 60%)
oklchoklch(0.893 0.204 125.4)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.7457

Colors that go with #bcf240

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 →

#7640f2

#f2ce40 · #64f240

#40bcf2 · #f240bc

Split-complementary

Open in tool →

#4064f2 · #ce40f2

#40f2ce · #7640f2 · #f24064

Contrast

#bcf240 as textRatioAAAA largeAAAFix
Aaon white
1.32:1failfailfail
  • AA: use #5d8109 as the text (4.56:1)
  • AAA: use #455f07 as the text (7.26:1)
  • AA: or shift the background to #636363 (4.55:1)
  • AAA: or shift the background to #474747 (7.04:1)
Aaon black
15.91:1passpasspassPasses 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 #bcf240 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 #bcf240
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 #bcf240 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bcf240-b2bea2-4e69df-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