Color

#ecf471

#ecf471
hex#ecf471
rgbrgb(236, 244, 113)
hslhsl(64, 86%, 70%)
oklchoklch(0.936 0.154 112.2)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8373

Colors that go with #ecf471

Lilac, 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 →

#7971f4

#f4bb71 · #aaf471

#71ecf4 · #f471ec

Split-complementary

Open in tool →

#71aaf4 · #bb71f4

#71f4bb · #7971f4 · #f471aa

Contrast

#ecf471 as textRatioAAAA largeAAAFix
Aaon white
1.18:1failfailfail
  • AA: use #747b09 as the text (4.59:1)
  • AAA: use #555a07 as the text (7.36:1)
  • AA: or shift the background to #6b6b6b (4.5:1)
  • AAA: or shift the background to #4d4d4d (7.14:1)
Aaon black
17.75:1passpasspassPasses 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 #ecf471 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#ecf471 reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ecf471
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 #ecf471 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ecf471-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