Color

#e3ef06

#e3ef06
hex#e3ef06
rgbrgb(227, 239, 6)
hslhsl(63, 95%, 48%)
oklchoklch(0.912 0.203 113.4)
Closest name: Banana Bombshell (#f7e82e)Relative luminance 0.7808

Colors that go with #e3ef06

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 →

#1206ef

#ef8606 · #6fef06

#06e3ef · #ef06e3

Split-complementary

Open in tool →

#066fef · #8606ef

#06ef86 · #1206ef · #ef066f

Contrast

#e3ef06 as textRatioAAAA largeAAAFix
Aaon white
1.26:1failfailfail
  • AA: use #767c03 as the text (4.51:1)
  • AAA: use #555a02 as the text (7.37:1)
  • AA: or shift the background to #666666 (4.54:1)
  • AAA: or shift the background to #4a4a4a (7.01:1)
Aaon black
16.62:1passpasspassPasses 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 #e3ef06 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 #e3ef06
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 #e3ef06 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e3ef06-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