Color

#f5d538

#f5d538
hex#f5d538
rgbrgb(245, 213, 56)
hslhsl(50, 90%, 59%)
oklchoklch(0.875 0.166 96.9)
Closest name: Anna Banana (#f5d547)Relative luminance 0.6729

Colors that go with #f5d538

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3858f5

#f57738 · #b6f538

#38f5d5 · #d538f5

Split-complementary

Open in tool →

#38b6f5 · #7738f5

#38f577 · #3858f5 · #f538b6

Contrast

#f5d538 as textRatioAAAA largeAAAFix
Aaon white
1.45:1failfailfail
  • AA: use #887207 as the text (4.71:1)
  • AAA: use #665605 as the text (7.25:1)
  • AA: or shift the background to #5c5c5c (4.6:1)
  • AAA: or shift the background to #404040 (7.14:1)
Aaon black
14.46:1passpasspassPasses 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 #f5d538 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#f5d538 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f5d538
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 #f5d538 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f5d538-c4c29c-4eacdf-292d1f-f1ece9?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