Color

#eff5ef

#eff5ef
hex#eff5ef
rgbrgb(239, 245, 239)
hslhsl(120, 23%, 95%)
oklchoklch(0.964 0.01 145.5)
Closest name: Beluga (#eff2f1)Relative luminance 0.8989

Colors that go with #eff5ef

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 #eff5ef

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f5eff5

#f2f5ef · #eff5f2

#efeff5 · #f5efef

Split-complementary

Open in tool →

#f2eff5 · #f5eff2

#eff2f5 · #f5eff5 · #f5f2ef

Contrast

#eff5ef as textRatioAAAA largeAAAFix
Aaon white
1.11:1failfailfail
  • AA: use #518151 as the text (4.56:1)
  • AAA: use #3d613d as the text (7.06:1)
  • AA: or shift the background to #6e6e6e (4.61:1)
  • AAA: or shift the background to #525252 (7.06:1)
Aaon black
18.98:1passpasspassPasses 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 #eff5ef as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#eff5ef reads as muted, light, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #eff5ef
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 #eff5ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/eff5ef-a2bea5-994edf-1f2d25-edf1e9?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