Color

#c6effb

#c6effb
hex#c6effb
rgbrgb(198, 239, 251)
hslhsl(194, 87%, 88%)
oklchoklch(0.927 0.045 217.4)
Closest name: Castle in the Sky (#d1eaed)Relative luminance 0.807

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbd2c6

#c6fbed · #c6d4fb

#fbc6ef · #effbc6

Split-complementary

Open in tool →

#fbc6d4 · #fbedc6

#edc6fb · #fbd2c6 · #d4fbc6

Contrast

#c6effb as textRatioAAAA largeAAAFix
Aaon white
1.23:1failfailfail
  • AA: use #0b7fa2 as the text (4.59:1)
  • AAA: use #085d77 as the text (7.39:1)
  • AA: or shift the background to #666666 (4.69:1)
  • AAA: or shift the background to #4a4a4a (7.23:1)
Aaon black
17.14:1passpasspassPasses 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 #c6effb as the background.

Brands using this color

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

Fonts for this mood

#c6effb reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c6effb
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 #c6effb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c6effb-9cb6c4-df4e72-1f242d-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