Color

#bde109

#bde109
hex#bde109
rgbrgb(189, 225, 9)
hslhsl(70, 92%, 46%)
oklchoklch(0.853 0.203 120.7)
Closest name: Conifer (#b1dd52)Relative luminance 0.6469

Colors that go with #bde109

Blue, Crimson and Denim lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2d09e1

#e19909 · #51e109

#09bde1 · #e109bd

Split-complementary

Open in tool →

#0951e1 · #9909e1

#09e199 · #2d09e1 · #e10951

Contrast

#bde109 as textRatioAAAA largeAAAFix
Aaon white
1.51:1failfailfail
  • AA: use #6b7f05 as the text (4.5:1)
  • AAA: use #4e5d04 as the text (7.26:1)
  • AA: or shift the background to #595959 (4.65:1)
  • AAA: or shift the background to #3d3d3d (7.21:1)
Aaon black
13.94:1passpasspassPasses 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 #bde109 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 #bde109
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #bde109 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bde109-b6bea2-4e7cdf-252d1f-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