Color

#fcf45a

#fcf45a
hex#fcf45a
rgbrgb(252, 244, 90)
hslhsl(57, 96%, 67%)
oklchoklch(0.946 0.17 106.3)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8613

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5a62fc

#fca35a · #b3fc5a

#5afcf4 · #f45afc

Split-complementary

Open in tool →

#5ab3fc · #a35afc

#5afca3 · #5a62fc · #fc5ab3

Contrast

#fcf45a as textRatioAAAA largeAAAFix
Aaon white
1.15:1failfailfail
  • AA: use #7d7703 as the text (4.65:1)
  • AAA: use #5f5a02 as the text (7.12:1)
  • AA: or shift the background to #6b6b6b (4.63:1)
  • AAA: or shift the background to #4f4f4f (7.11:1)
Aaon black
18.23:1passpasspassPasses 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 #fcf45a as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#fcf45a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fcf45a
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 #fcf45a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fcf45a-bcbea2-4e9bdf-282d1f-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