Color

#bfef1f

#bfef1f
hex#bfef1f
rgbrgb(191, 239, 31)
hslhsl(74, 87%, 53%)
oklchoklch(0.887 0.213 123.3)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.7291

Tints & shades

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

Harmonies

Complementary

Open in tool →

#501fef

#efb81f · #56ef1f

#1fbfef · #ef1fbf

Split-complementary

Open in tool →

#1f56ef · #b81fef

#1fefb8 · #501fef · #ef1f56

Contrast

#bfef1f as textRatioAAAA largeAAAFix
Aaon white
1.35:1failfailfail
  • AA: use #617c09 as the text (4.78:1)
  • AAA: use #4b5f07 as the text (7.14:1)
  • AA: or shift the background to #616161 (4.6:1)
  • AAA: or shift the background to #454545 (7.11:1)
Aaon black
15.58:1passpasspassPasses 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 #bfef1f 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 #bfef1f
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 #bfef1f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bfef1f-b4bea2-4e72df-242d1f-f1efe9?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