Color

#bcff1f

#bcff1f
hex#bcff1f
rgbrgb(188, 255, 31)
hslhsl(78, 100%, 56%)
oklchoklch(0.921 0.231 126.8)
Closest name: Atomic Lime (#b9ff03)Relative luminance 0.8231

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#621fff

#ffd21f · #4bff1f

#1fbcff · #ff1fbc

Split-complementary

Open in tool →

#1f4bff · #d21fff

#1fffd2 · #621fff · #ff1f4b

Contrast

#bcff1f as textRatioAAAA largeAAAFix
Aaon white
1.2:1failfailfail
  • AA: use #598000 as the text (4.65:1)
  • AAA: use #446100 as the text (7.1:1)
  • AA: or shift the background to #696969 (4.56:1)
  • AAA: or shift the background to #4d4d4d (7.03:1)
Aaon black
17.46:1passpasspassPasses 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 #bcff1f as the background.

Brands using this color

mcpConnect your agent — build around #bcff1f
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #bcff1f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bcff1f-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