Color

#c1effb

#c1effb
hex#c1effb
rgbrgb(193, 239, 251)
hslhsl(192, 88%, 87%)
oklchoklch(0.924 0.05 215.4)
Closest name: Gentle Cold (#c3ece9)Relative luminance 0.8004

Colors that go with #c1effb

Charcoal, Dark Turquoise and Deep Sky 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 #c1effb

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbccc1

#c1fbea · #c1d2fb

#fbc1ef · #effbc1

Split-complementary

Open in tool →

#fbc1d2 · #fbeac1

#eac1fb · #fbccc1 · #d2fbc1

Contrast

#c1effb as textRatioAAAA largeAAAFix
Aaon white
1.23:1failfailfail
  • AA: use #0a819e as the text (4.52:1)
  • AAA: use #086178 as the text (7.02:1)
  • AA: or shift the background to #666666 (4.65:1)
  • AAA: or shift the background to #4a4a4a (7.18:1)
Aaon black
17.01:1passpasspassPasses 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 #c1effb as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#c1effb reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c1effb
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 #c1effb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c1effb-a2b5be-df4e77-1f242d-e9f1ef?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