Color

#e1e51f

#e1e51f
hex#e1e51f
rgbrgb(225, 229, 31)
hslhsl(61, 79%, 51%)
oklchoklch(0.89 0.19 111)
Closest name: Banana Bombshell (#f7e82e)Relative luminance 0.7215

Colors that go with #e1e51f

Charcoal, Lilac and Blue 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 →

#231fe5

#e5851f · #7fe51f

#1fe1e5 · #e51fe1

Split-complementary

Open in tool →

#1f7fe5 · #851fe5

#1fe585 · #231fe5 · #e51f7f

Contrast

#e1e51f as textRatioAAAA largeAAAFix
Aaon white
1.36:1failfailfail
  • AA: use #797b0e as the text (4.51:1)
  • AAA: use #5a5b0b as the text (7.15:1)
  • AA: or shift the background to #616161 (4.55:1)
  • AAA: or shift the background to #454545 (7.04:1)
Aaon black
15.43:1passpasspassPasses 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 #e1e51f 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 #e1e51f
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 #e1e51f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e1e51f-babea2-4e92df-272d1f-f1ede9?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