Color

#ffff85

#ffff85
hex#ffff85
rgbrgb(255, 255, 133)
hslhsl(60, 100%, 76%)
oklchoklch(0.976 0.145 108.8)
Closest name: Butter (#ffff81)Relative luminance 0.9447

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8585ff

#ffc285 · #c2ff85

#85ffff · #ff85ff

Split-complementary

Open in tool →

#85c2ff · #c285ff

#85ffc2 · #8585ff · #ff85c2

Contrast

#ffff85 as textRatioAAAA largeAAAFix
Aaon white
1.06:1failfailfail
  • AA: use #7a7a00 as the text (4.55:1)
  • AAA: use #5c5c00 as the text (7.03:1)
  • AA: or shift the background to #707070 (4.69:1)
  • AAA: or shift the background to #545454 (7.17:1)
Aaon black
19.89:1passpasspassPasses 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 #ffff85 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

#ffff85 reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ffff85
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 #ffff85 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ffff85-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