Color

#fefe10

#fefe10
hex#fefe10
rgbrgb(254, 254, 16)
hslhsl(60, 99%, 53%)
oklchoklch(0.965 0.209 109.7)
Closest name: Bat-Signal (#feff00)Relative luminance 0.9199

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1010fe

#fe8710 · #87fe10

#10fefe · #fe10fe

Split-complementary

Open in tool →

#1087fe · #8710fe

#10fe87 · #1010fe · #fe1087

Contrast

#fefe10 as textRatioAAAA largeAAAFix
Aaon white
1.08:1failfailfail
  • AA: use #7a7a01 as the text (4.55:1)
  • AAA: use #5b5b00 as the text (7.14:1)
  • AA: or shift the background to #707070 (4.57:1)
  • AAA: or shift the background to #525252 (7.22:1)
Aaon black
19.4:1passpasspassPasses 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 #fefe10 as the background.

Brands using this color

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

mcpConnect your agent — build around #fefe10
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 #fefe10 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fefe10-bbbea2-4e94df-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