Color

#bdf40b

#bdf40b
hex#bdf40b
rgbrgb(189, 244, 11)
hslhsl(74, 91%, 50%)
oklchoklch(0.896 0.223 124.6)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.7554

Tints & shades

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

Harmonies

Complementary

Open in tool →

#420bf4

#f4b60b · #49f40b

#0bbdf4 · #f40bbd

Split-complementary

Open in tool →

#0b49f4 · #b60bf4

#0bf4b6 · #420bf4 · #f40b49

Contrast

#bdf40b as textRatioAAAA largeAAAFix
Aaon white
1.3:1failfailfail
  • AA: use #627f06 as the text (4.61:1)
  • AAA: use #485d04 as the text (7.39:1)
  • AA: or shift the background to #636363 (4.61:1)
  • AAA: or shift the background to #474747 (7.13:1)
Aaon black
16.11:1passpasspassPasses 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 #bdf40b 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 #bdf40b
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 #bdf40b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bdf40b-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