Color

#bcfe39

#bcfe39
hex#bcfe39
rgbrgb(188, 254, 57)
hslhsl(80, 99%, 61%)
oklchoklch(0.92 0.221 127.2)
Closest name: Atomic Lime (#b9ff03)Relative luminance 0.8187

Colors that go with #bcfe39

Plum, Violet and Charcoal 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 →

#7b39fe

#fedd39 · #5afe39

#39bcfe · #fe39bc

Split-complementary

Open in tool →

#395afe · #dd39fe

#39fedd · #7b39fe · #fe395a

Contrast

#bcfe39 as textRatioAAAA largeAAAFix
Aaon white
1.21:1failfailfail
  • AA: use #557f01 as the text (4.75:1)
  • AAA: use #406000 as the text (7.26:1)
  • AA: or shift the background to #696969 (4.54:1)
  • AAA: or shift the background to #4a4a4a (7.33:1)
Aaon black
17.37:1passpasspassPasses 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 #bcfe39 as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #bcfe39
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 #bcfe39 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bcfe39-b1bea2-4e64df-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