Color

#fdfa3a

#fdfa3a
hex#fdfa3a
rgbrgb(253, 250, 58)
hslhsl(59, 98%, 61%)
oklchoklch(0.957 0.194 108.6)
Closest name: Biohazard Suit (#fbfb4c)Relative luminance 0.8956

Colors that go with #fdfa3a

Lilac, Blue and Charcoal 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 →

#3a3dfd

#fd983a · #9ffd3a

#3afdfa · #fa3afd

Split-complementary

Open in tool →

#3a9ffd · #983afd

#3afd98 · #3a3dfd · #fd3a9f

Contrast

#fdfa3a as textRatioAAAA largeAAAFix
Aaon white
1.11:1failfailfail
  • AA: use #797701 as the text (4.72:1)
  • AAA: use #5b5901 as the text (7.31:1)
  • AA: or shift the background to #6e6e6e (4.59:1)
  • AAA: or shift the background to #525252 (7.04:1)
Aaon black
18.91:1passpasspassPasses 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 #fdfa3a as the background.

Brands using this color

Fonts for this mood

#fdfa3a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fdfa3a
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 #fdfa3a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fdfa3a-bbbea2-4e96df-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