Color

#99fffa

#99fffa
hex#99fffa
rgbrgb(153, 255, 250)
hslhsl(177, 100%, 80%)
oklchoklch(0.936 0.096 191.6)
Closest name: Frostbite (#acfffc)Relative luminance 0.8519

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ff999e

#99ffc7 · #99d1ff

#fa99ff · #fffa99

Split-complementary

Open in tool →

#ff99d1 · #ffc799

#c799ff · #ff999e · #d1ff99

Contrast

#99fffa as textRatioAAAA largeAAAFix
Aaon white
1.16:1failfailfail
  • AA: use #00857e as the text (4.51:1)
  • AAA: use #00615c as the text (7.33:1)
  • AA: or shift the background to #6b6b6b (4.58:1)
  • AAA: or shift the background to #4f4f4f (7.04:1)
Aaon black
18.04:1passpasspassPasses 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 #99fffa 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

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

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

tool url/palettes/new/99fffa-a2bcbe-d4599b-1f282d-e9f1ed?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