Color

#fed558

#fed558
hex#fed558
rgbrgb(254, 213, 88)
hslhsl(45, 99%, 67%)
oklchoklch(0.886 0.147 90.8)
Closest name: Mustard Yellow (#ffdb58)Relative luminance 0.6936

Colors that go with #fed558

Charcoal, Cornflower Blue and Deep Sky 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.

Real palettes that use #fed558

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#5881fe

#fe8158 · #d5fe58

#58fed5 · #d558fe

Split-complementary

Open in tool →

#58d5fe · #8158fe

#58fe81 · #5881fe · #fe58d5

Contrast

#fed558 as textRatioAAAA largeAAAFix
Aaon white
1.41:1failfailfail
  • AA: use #936f01 as the text (4.65:1)
  • AAA: use #705401 as the text (7.1:1)
  • AA: or shift the background to #5e5e5e (4.59:1)
  • AAA: or shift the background to #424242 (7.12:1)
Aaon black
14.87:1passpasspassPasses 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 #fed558 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#fed558 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fed558
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 #fed558 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fed558-c4be9c-62afcb-2b2d1f-f1ebe9?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