Color

#99fcff

#99fcff
hex#99fcff
rgbrgb(153, 252, 255)
hslhsl(182, 100%, 80%)
oklchoklch(0.931 0.093 198.2)
Closest name: Frostbite (#acfffc)Relative luminance 0.8361

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ff9c99

#99ffcf · #99c9ff

#ff99fc · #fcff99

Split-complementary

Open in tool →

#ff99c9 · #ffcf99

#cf99ff · #ff9c99 · #c9ff99

Contrast

#99fcff as textRatioAAAA largeAAAFix
Aaon white
1.18:1failfailfail
  • AA: use #008085 as the text (4.74:1)
  • AAA: use #006366 as the text (7.06:1)
  • AA: or shift the background to #696969 (4.63:1)
  • AAA: or shift the background to #4d4d4d (7.13:1)
Aaon black
17.72:1passpasspassPasses 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 #99fcff 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

#99fcff reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #99fcff
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 #99fcff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/99fcff-a2babe-d45990-1f272d-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