Color

#eff5f3

#eff5f3
hex#eff5f3
rgbrgb(239, 245, 243)
hslhsl(160, 23%, 95%)
oklchoklch(0.965 0.007 174.4)
Closest name: Anti-Flash White (#f2f3f4)Relative luminance 0.9013

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f5eff1

#eff5f0 · #eff4f5

#f3eff5 · #f5f3ef

Split-complementary

Open in tool →

#f5eff4 · #f5f0ef

#f0eff5 · #f5eff1 · #f4f5ef

Contrast

#eff5f3 as textRatioAAAA largeAAAFix
Aaon white
1.1:1failfailfail
  • AA: use #4f7d6e as the text (4.68:1)
  • AAA: use #3b5e52 as the text (7.22:1)
  • AA: or shift the background to #6e6e6e (4.62:1)
  • AAA: or shift the background to #525252 (7.08:1)
Aaon black
19.03:1passpasspassPasses 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 #eff5f3 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#eff5f3 reads as muted, light, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #eff5f3
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 #eff5f3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/eff5f3-a2beb8-d459be-1f2c2d-e9f1eb?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