Color

#ffed66

#ffed66
hex#ffed66
rgbrgb(255, 237, 102)
hslhsl(53, 100%, 70%)
oklchoklch(0.936 0.154 101.7)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8279

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6678ff

#ffa166 · #c4ff66

#66ffed · #ed66ff

Split-complementary

Open in tool →

#66c4ff · #a166ff

#66ffa1 · #6678ff · #ff66c4

Contrast

#ffed66 as textRatioAAAA largeAAAFix
Aaon white
1.2:1failfailfail
  • AA: use #857500 as the text (4.62:1)
  • AAA: use #615600 as the text (7.4:1)
  • AA: or shift the background to #696969 (4.59:1)
  • AAA: or shift the background to #4d4d4d (7.07:1)
Aaon black
17.56:1passpasspassPasses 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 #ffed66 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#ffed66 reads as warm, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ffed66
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 #ffed66 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ffed66-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