Color

#bdc403

#bdc403
hex#bdc403
rgbrgb(189, 196, 3)
hslhsl(62, 97%, 39%)
oklchoklch(0.788 0.174 112.4)
Closest name: Celery (#b4c04c)Relative luminance 0.5031

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0903c4

#c46a03 · #5dc403

#03bdc4 · #c403bd

Split-complementary

Open in tool →

#035dc4 · #6a03c4

#03c46a · #0903c4 · #c4035d

Contrast

#bdc403 as textRatioAAAA largeAAAFix
Aaon white
1.9:1failfailfail
  • AA: use #757902 as the text (4.67:1)
  • AAA: use #575a01 as the text (7.32:1)
  • AA: or shift the background to #4a4a4a (4.67:1)
  • AAA: or shift the background to #2e2e2e (7.15:1)
Aaon black
11.06:1passpasspassPasses 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 #bdc403 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 #bdc403
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 #bdc403 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bdc403-babea2-4e8fdf-272d1f-f1eee9?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