Color

#edf03d

#edf03d
hex#edf03d
rgbrgb(237, 240, 61)
hslhsl(61, 86%, 59%)
oklchoklch(0.924 0.186 110.5)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8066

Colors that go with #edf03d

Lilac, 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 →

#403df0

#f0993d · #93f03d

#3dedf0 · #f03ded

Split-complementary

Open in tool →

#3d93f0 · #993df0

#3df099 · #403df0 · #f03d93

Contrast

#edf03d as textRatioAAAA largeAAAFix
Aaon white
1.23:1failfailfail
  • AA: use #797b09 as the text (4.52:1)
  • AAA: use #595a07 as the text (7.27:1)
  • AA: or shift the background to #666666 (4.68:1)
  • AAA: or shift the background to #4a4a4a (7.23:1)
Aaon black
17.13:1passpasspassPasses 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 #edf03d as the background.

Brands using this color

mcpConnect your agent — build around #edf03d
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 #edf03d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/edf03d-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