Color

#bde538

#bde538
hex#bde538
rgbrgb(189, 229, 56)
hslhsl(74, 77%, 56%)
oklchoklch(0.864 0.193 122.2)
Closest name: Inchworm (#b2ec5d)Relative luminance 0.6714

Colors that go with #bde538

Blue, Charcoal and Crimson 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 →

#6138e5

#e5b738 · #66e538

#38bde5 · #e538bd

Split-complementary

Open in tool →

#3866e5 · #b738e5

#38e5b7 · #6138e5 · #e53866

Contrast

#bde538 as textRatioAAAA largeAAAFix
Aaon white
1.46:1failfailfail
  • AA: use #657e10 as the text (4.62:1)
  • AAA: use #4c5f0c as the text (7.12:1)
  • AA: or shift the background to #5c5c5c (4.59:1)
  • AAA: or shift the background to #404040 (7.12:1)
Aaon black
14.43:1passpasspassPasses 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 #bde538 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 #bde538
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 #bde538 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bde538-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