Color

#eff16f

#eff16f
hex#eff16f
rgbrgb(239, 241, 111)
hslhsl(61, 82%, 69%)
oklchoklch(0.932 0.152 109.8)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8241

Colors that go with #eff16f

Charcoal, Lilac 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 →

#716ff1

#f1b26f · #aef16f

#6feff1 · #f16fef

Split-complementary

Open in tool →

#6faef1 · #b26ff1

#6ff1b2 · #716ff1 · #f16fae

Contrast

#eff16f as textRatioAAAA largeAAAFix
Aaon white
1.2:1failfailfail
  • AA: use #77790c as the text (4.64:1)
  • AAA: use #575809 as the text (7.49:1)
  • AA: or shift the background to #696969 (4.57:1)
  • AAA: or shift the background to #4d4d4d (7.04:1)
Aaon black
17.48:1passpasspassPasses 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 #eff16f 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 #eff16f
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 #eff16f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/eff16f-babea2-4e92df-272d1f-f1ede9?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