Color

#c8e9ef

#c8e9ef
hex#c8e9ef
rgbrgb(200, 233, 239)
hslhsl(189, 55%, 86%)
oklchoklch(0.912 0.035 209.8)
Closest name: Castle in the Sky (#d1eaed)Relative luminance 0.7679

Colors that go with #c8e9ef

Charcoal, Lilac and Plum 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#efcec8

#c8efe1 · #c8d5ef

#efc8e9 · #e9efc8

Split-complementary

Open in tool →

#efc8d5 · #efe1c8

#e1c8ef · #efcec8 · #d5efc8

Contrast

#c8e9ef as textRatioAAAA largeAAAFix
Aaon white
1.28:1failfailfail
  • AA: use #297f8e as the text (4.65:1)
  • AAA: use #1f5f6b as the text (7.22:1)
  • AA: or shift the background to #636363 (4.68:1)
  • AAA: or shift the background to #474747 (7.24:1)
Aaon black
16.36:1passpasspassPasses 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 #c8e9ef 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

#c8e9ef reads as cool, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c8e9ef
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 #c8e9ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c8e9ef-a2b7be-df4e7e-1f252d-e9f1ee?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