Color

#e8f40b

#e8f40b
hex#e8f40b
rgbrgb(232, 244, 11)
hslhsl(63, 91%, 50%)
oklchoklch(0.927 0.206 113.4)
Closest name: Banana Flash (#eefe02)Relative luminance 0.8188

Colors that go with #e8f40b

Blue, Charcoal and Crimson 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 →

#170bf4

#f48b0b · #74f40b

#0be8f4 · #f40be8

Split-complementary

Open in tool →

#0b74f4 · #8b0bf4

#0bf48b · #170bf4 · #f40b74

Contrast

#e8f40b as textRatioAAAA largeAAAFix
Aaon white
1.21:1failfailfail
  • AA: use #747a06 as the text (4.64:1)
  • AAA: use #585d04 as the text (7.04:1)
  • AA: or shift the background to #696969 (4.54:1)
  • AAA: or shift the background to #4a4a4a (7.33:1)
Aaon black
17.38:1passpasspassPasses 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 #e8f40b as the background.

Brands using this color

mcpConnect your agent — build around #e8f40b
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 #e8f40b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e8f40b-b9bea2-4e8ddf-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