Color

#e1f505

#e1f505
hex#e1f505
rgbrgb(225, 245, 5)
hslhsl(65, 96%, 49%)
oklchoklch(0.924 0.21 115.6)
Closest name: Banana Flash (#eefe02)Relative luminance 0.8132

Colors that go with #e1f505

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 →

#1905f5

#f59105 · #69f505

#05e1f5 · #f505e1

Split-complementary

Open in tool →

#0569f5 · #9105f5

#05f591 · #1905f5 · #f50569

Contrast

#e1f505 as textRatioAAAA largeAAAFix
Aaon white
1.22:1failfailfail
  • AA: use #737d03 as the text (4.5:1)
  • AAA: use #535a02 as the text (7.42:1)
  • AA: or shift the background to #696969 (4.51:1)
  • AAA: or shift the background to #4a4a4a (7.29:1)
Aaon black
17.26:1passpasspassPasses 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 #e1f505 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 #e1f505
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 #e1f505 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e1f505-b8bea2-4e88df-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