Color

#ffe100

#ffe100
hex#ffe100
rgbrgb(255, 225, 0)
hslhsl(53, 100%, 50%)
oklchoklch(0.907 0.188 99.5)
Closest name: Banana Bombshell (#f7e82e)Relative luminance 0.7511

Tints & shades

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

Harmonies

Complementary

Open in tool →

#001eff

#ff6200 · #9dff00

#00ffe1 · #e100ff

Split-complementary

Open in tool →

#009dff · #6200ff

#00ff62 · #001eff · #ff009d

Contrast

#ffe100 as textRatioAAAA largeAAAFix
Aaon white
1.31:1failfailfail
  • AA: use #857500 as the text (4.62:1)
  • AAA: use #615600 as the text (7.4:1)
  • AA: or shift the background to #636363 (4.58:1)
  • AAA: or shift the background to #474747 (7.09:1)
Aaon black
16.02:1passpasspassPasses 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 #ffe100 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ffe100 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ffe100
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 #ffe100 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ffe100-c4c49c-4ea5df-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