Color

#e1f71d

#e1f71d
hex#e1f71d
rgbrgb(225, 247, 29)
hslhsl(66, 93%, 54%)
oklchoklch(0.928 0.208 116.2)
Closest name: Banana Flash (#eefe02)Relative luminance 0.8262

Colors that go with #e1f71d

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 →

#321df7

#f7a01d · #74f71d

#1de1f7 · #f71de1

Split-complementary

Open in tool →

#1d74f7 · #a01df7

#1df7a0 · #321df7 · #f71d74

Contrast

#e1f71d as textRatioAAAA largeAAAFix
Aaon white
1.2:1failfailfail
  • AA: use #6f7b04 as the text (4.66:1)
  • AAA: use #545e03 as the text (7.05:1)
  • AA: or shift the background to #696969 (4.58:1)
  • AAA: or shift the background to #4d4d4d (7.05:1)
Aaon black
17.52:1passpasspassPasses 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 #e1f71d 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 #e1f71d
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 #e1f71d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e1f71d-b8bea2-4e86df-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