Color

#d1ff66

#d1ff66
hex#d1ff66
rgbrgb(209, 255, 102)
hslhsl(78, 100%, 70%)
oklchoklch(0.939 0.185 124.1)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8603

Colors that go with #d1ff66

Blue, Crimson and Red 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 →

#9466ff

#ffe066 · #85ff66

#66d1ff · #ff66d1

Split-complementary

Open in tool →

#6685ff · #e066ff

#66ffe0 · #9466ff · #ff6685

Contrast

#d1ff66 as textRatioAAAA largeAAAFix
Aaon white
1.15:1failfailfail
  • AA: use #598000 as the text (4.65:1)
  • AAA: use #446100 as the text (7.1:1)
  • AA: or shift the background to #6b6b6b (4.62:1)
  • AAA: or shift the background to #4f4f4f (7.1:1)
Aaon black
18.21:1passpasspassPasses 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 #d1ff66 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

#d1ff66 reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d1ff66
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 #d1ff66 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d1ff66-b2bea2-4e69df-232d1f-f1f0e9?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