Color

#ecf660

#ecf660
hex#ecf660
rgbrgb(236, 246, 96)
hslhsl(64, 89%, 67%)
oklchoklch(0.938 0.17 112.8)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8459

Colors that go with #ecf660

Lilac, Blue and Charcoal 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 →

#6a60f6

#f6b560 · #a1f660

#60ecf6 · #f660ec

Split-complementary

Open in tool →

#60a1f6 · #b560f6

#60f6b5 · #6a60f6 · #f660a1

Contrast

#ecf660 as textRatioAAAA largeAAAFix
Aaon white
1.17:1failfailfail
  • AA: use #717807 as the text (4.78:1)
  • AAA: use #565c05 as the text (7.17:1)
  • AA: or shift the background to #6b6b6b (4.55:1)
  • AAA: or shift the background to #4d4d4d (7.21:1)
Aaon black
17.92:1passpasspassPasses 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 #ecf660 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 #ecf660
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 #ecf660 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ecf660-b9bea2-4e8adf-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