Color

#ecf9f0

#ecf9f0
hex#ecf9f0
rgbrgb(236, 249, 240)
hslhsl(138, 52%, 95%)
oklchoklch(0.97 0.018 155.8)
Closest name: Calm Waters (#e7fafa)Relative luminance 0.9188

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f9ecf5

#eef9ec · #ecf9f6

#f0ecf9 · #f9f0ec

Split-complementary

Open in tool →

#f6ecf9 · #f9ecee

#eceef9 · #f9ecf5 · #f9f6ec

Contrast

#ecf9f0 as textRatioAAAA largeAAAFix
Aaon white
1.08:1failfailfail
  • AA: use #2a8445 as the text (4.68:1)
  • AAA: use #206535 as the text (7.06:1)
  • AA: or shift the background to #707070 (4.57:1)
  • AAA: or shift the background to #525252 (7.21:1)
Aaon black
19.38:1passpasspassPasses 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 #ecf9f0 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ecf9f0 reads as light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ecf9f0
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 #ecf9f0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ecf9f0-a2beae-be59d4-1f2d29-ebf1e9?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