Color

#bdfd1c

#bdfd1c
hex#bdfd1c
rgbrgb(189, 253, 28)
hslhsl(77, 98%, 55%)
oklchoklch(0.917 0.229 126.2)
Closest name: Atomic Lime (#b9ff03)Relative luminance 0.8115

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5c1cfd

#fdcc1c · #4dfd1c

#1cbdfd · #fd1cbd

Split-complementary

Open in tool →

#1c4dfd · #cc1cfd

#1cfdcc · #5c1cfd · #fd1c4d

Contrast

#bdfd1c as textRatioAAAA largeAAAFix
Aaon white
1.22:1failfailfail
  • AA: use #5b7e01 as the text (4.74:1)
  • AAA: use #456001 as the text (7.18:1)
  • AA: or shift the background to #696969 (4.5:1)
  • AAA: or shift the background to #4a4a4a (7.27:1)
Aaon black
17.23:1passpasspassPasses 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 #bdfd1c as the background.

Brands using this color

mcpConnect your agent — build around #bdfd1c
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 #bdfd1c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bdfd1c-b3bea2-4e6bdf-232d1f-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