Color

#f7ef55

#f7ef55
hex#f7ef55
rgbrgb(247, 239, 85)
hslhsl(57, 91%, 65%)
oklchoklch(0.931 0.169 106.4)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8216

Tints & shades

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

Harmonies

Complementary

Open in tool →

#555df7

#f79e55 · #aef755

#55f7ef · #ef55f7

Split-complementary

Open in tool →

#55aef7 · #9e55f7

#55f79e · #555df7 · #f755ae

Contrast

#f7ef55 as textRatioAAAA largeAAAFix
Aaon white
1.2:1failfailfail
  • AA: use #7f7906 as the text (4.53:1)
  • AAA: use #5d5804 as the text (7.33:1)
  • AA: or shift the background to #696969 (4.56:1)
  • AAA: or shift the background to #4d4d4d (7.02:1)
Aaon black
17.43:1passpasspassPasses 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 #f7ef55 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

#f7ef55 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f7ef55
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 #f7ef55 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f7ef55-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