Color

#f3ff8a

#f3ff8a
hex#f3ff8a
rgbrgb(243, 255, 138)
hslhsl(66, 100%, 77%)
oklchoklch(0.967 0.142 113.9)
Closest name: Butter (#ffff81)Relative luminance 0.9241

Tints & shades

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

Harmonies

Complementary

Open in tool →

#958aff

#ffd08a · #b9ff8a

#8af3ff · #ff8af3

Split-complementary

Open in tool →

#8ab9ff · #d08aff

#8affd0 · #958aff · #ff8ab9

Contrast

#f3ff8a as textRatioAAAA largeAAAFix
Aaon white
1.08:1failfailfail
  • AA: use #6e7a00 as the text (4.72:1)
  • AAA: use #535c00 as the text (7.24:1)
  • AA: or shift the background to #707070 (4.59:1)
  • AAA: or shift the background to #545454 (7.03:1)
Aaon black
19.48:1passpasspassPasses 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 #f3ff8a 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

#f3ff8a reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f3ff8a
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 #f3ff8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f3ff8a-b8bea2-4e86df-262d1f-f1eee9?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