Color

#ecf532

#ecf532
hex#ecf532
rgbrgb(236, 245, 50)
hslhsl(63, 91%, 58%)
oklchoklch(0.933 0.196 112.5)
Closest name: Banana Bandanna (#f8f739)Relative luminance 0.8337

Colors that go with #ecf532

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 →

#3c32f5

#f59e32 · #8af532

#32ecf5 · #f532ec

Split-complementary

Open in tool →

#328af5 · #9e32f5

#32f59e · #3c32f5 · #f5328a

Contrast

#ecf532 as textRatioAAAA largeAAAFix
Aaon white
1.19:1failfailfail
  • AA: use #747a06 as the text (4.64:1)
  • AAA: use #585d04 as the text (7.04:1)
  • AA: or shift the background to #696969 (4.62:1)
  • AAA: or shift the background to #4d4d4d (7.11:1)
Aaon black
17.67:1passpasspassPasses 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 #ecf532 as the background.

Brands using this color

mcpConnect your agent — build around #ecf532
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 #ecf532 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ecf532-b9bea2-4e8ddf-262d1f-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