Color

#fcdd31

#fcdd31
hex#fcdd31
rgbrgb(252, 221, 49)
hslhsl(51, 97%, 59%)
oklchoklch(0.897 0.175 98.1)
Closest name: Angel’s Trumpet (#f6dd34)Relative luminance 0.7263

Tints & shades

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

Harmonies

Complementary

Open in tool →

#314ffc

#fc7831 · #b5fc31

#31fcdd · #dd31fc

Split-complementary

Open in tool →

#31b5fc · #7831fc

#31fc78 · #314ffc · #fc31b5

Contrast

#fcdd31 as textRatioAAAA largeAAAFix
Aaon white
1.35:1failfailfail
  • AA: use #887402 as the text (4.62:1)
  • AAA: use #645602 as the text (7.31:1)
  • AA: or shift the background to #616161 (4.58:1)
  • AAA: or shift the background to #454545 (7.09:1)
Aaon black
15.53:1passpasspassPasses 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 #fcdd31 as the background.

Brands using this color

Fonts for this mood

#fcdd31 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fcdd31
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #fcdd31 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fcdd31-c4c29c-4eaadf-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