Color

#bde51f

#bde51f
hex#bde51f
rgbrgb(189, 229, 31)
hslhsl(72, 79%, 51%)
oklchoklch(0.863 0.203 121.8)
Closest name: Inchworm (#b2ec5d)Relative luminance 0.6696

Colors that go with #bde51f

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 →

#471fe5

#e5aa1f · #5be51f

#1fbde5 · #e51fbd

Split-complementary

Open in tool →

#1f5be5 · #aa1fe5

#1fe5aa · #471fe5 · #e51f5b

Contrast

#bde51f as textRatioAAAA largeAAAFix
Aaon white
1.46:1failfailfail
  • AA: use #657b0e as the text (4.78:1)
  • AAA: use #4b5b0b as the text (7.5:1)
  • AA: or shift the background to #5c5c5c (4.58:1)
  • AAA: or shift the background to #404040 (7.11:1)
Aaon black
14.39:1passpasspassPasses 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 #bde51f 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 #bde51f
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 #bde51f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bde51f-b5bea2-4e77df-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