Color

#e9f452

#e9f452
hex#e9f452
rgbrgb(233, 244, 82)
hslhsl(64, 88%, 64%)
oklchoklch(0.93 0.179 113.2)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8263

Colors that go with #e9f452

Lilac, Blue and Charcoal 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 →

#5d52f4

#f4ae52 · #98f452

#52e9f4 · #f452e9

Split-complementary

Open in tool →

#5298f4 · #ae52f4

#52f4ae · #5d52f4 · #f45298

Contrast

#e9f452 as textRatioAAAA largeAAAFix
Aaon white
1.2:1failfailfail
  • AA: use #707808 as the text (4.8:1)
  • AAA: use #555b06 as the text (7.28:1)
  • AA: or shift the background to #696969 (4.58:1)
  • AAA: or shift the background to #4d4d4d (7.06:1)
Aaon black
17.53:1passpasspassPasses 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 #e9f452 as the background.

Brands using this color

mcpConnect your agent — build around #e9f452
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 #e9f452 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e9f452-b9bea2-4e8adf-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