Color

#f0f359

#f0f359
hex#f0f359
rgbrgb(240, 243, 89)
hslhsl(61, 87%, 65%)
oklchoklch(0.934 0.172 110.4)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8335

Colors that go with #f0f359

Lilac, Blue and Charcoal lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5b58f3

#f3a858 · #a3f358

#58f1f3 · #f358f1

Split-complementary

Open in tool →

#58a3f3 · #a858f3

#58f3a8 · #5b58f3 · #f358a3

Contrast

#f0f359 as textRatioAAAA largeAAAFix
Aaon white
1.19:1failfailfail
  • AA: use #757708 as the text (4.77:1)
  • AAA: use #595b06 as the text (7.18:1)
  • AA: or shift the background to #696969 (4.62:1)
  • AAA: or shift the background to #4d4d4d (7.11:1)
Aaon black
17.67:1passpasspassPasses 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 #f0f359 as the background.

Brands using this color

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

mcpConnect your agent — build around #f0f359
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #f0f359 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f0f359-babea2-4e92df-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