Color

#e4fc2c

#e4fc2c
hex#e4fc2c
rgbrgb(228, 252, 44)
hslhsl(67, 97%, 58%)
oklchoklch(0.942 0.208 116.7)
Closest name: Banana Flash (#eefe02)Relative luminance 0.863

Colors that go with #e4fc2c

Crimson, Plum and Violet 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 →

#442cfc

#fcac2c · #7cfc2c

#2ce4fc · #fc2ce4

Split-complementary

Open in tool →

#2c7cfc · #ac2cfc

#2cfcac · #442cfc · #fc2c7c

Contrast

#e4fc2c as textRatioAAAA largeAAAFix
Aaon white
1.15:1failfailfail
  • AA: use #6f7e02 as the text (4.51:1)
  • AAA: use #505a01 as the text (7.49:1)
  • AA: or shift the background to #6b6b6b (4.63:1)
  • AAA: or shift the background to #4f4f4f (7.12:1)
Aaon black
18.26:1passpasspassPasses 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 #e4fc2c 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 #e4fc2c
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 #e4fc2c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e4fc2c-b8bea2-4e83df-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