Named color

Cumulus

#f3f3e6
hex#f3f3e6
rgbrgb(243, 243, 230)
hslhsl(60, 35%, 93%)
oklchoklch(0.961 0.017 106.7)
Relative luminance 0.8887

Cumulus on this page is the real value, not a screenshot: exact hex, RGB, HSL and OKLCH, ten tints and ten shades, classic harmonies, and WCAG contrast with fixes — plus the 6 public brands that use it and the palettes it appears in.

Colors that go with Cumulus

Charcoal, Amber and Blue 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.

Real palettes that use Cumulus

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e7e7f3

#f3ede7 · #edf3e7

#e7f3f3 · #f3e7f3

Split-complementary

Open in tool →

#e7edf3 · #ede7f3

#e7f3ed · #e7e7f3 · #f3e7ed

Contrast

Cumulus as textRatioAAAA largeAAAFix
Aaon white
1.12:1failfailfail
  • AA: use #78783a as the text (4.62:1)
  • AAA: use #5a5a2b as the text (7.16:1)
  • AA: or shift the background to #6e6e6e (4.56:1)
  • AAA: or shift the background to #4f4f4f (7.32:1)
Aaon black
18.77:1passpasspassPasses 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 Cumulus as the background.

Brands using this color

Palettes built around it

Fonts for this mood

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

mcpConnect your agent — build around Cumulus
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 #f3f3e6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f3f3e6-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