Color

#99ddff

#99ddff
hex#99ddff
rgbrgb(153, 221, 255)
hslhsl(200, 100%, 80%)
oklchoklch(0.864 0.083 230.6)
Closest name: Ariel (#aed7ea)Relative luminance 0.6571

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffbb99

#99ffee · #99aaff

#ff99dd · #ddff99

Split-complementary

Open in tool →

#ff99aa · #ffee99

#ee99ff · #ffbb99 · #aaff99

Contrast

#99ddff as textRatioAAAA largeAAAFix
Aaon white
1.49:1failfailfail
  • AA: use #007ab8 as the text (4.69:1)
  • AAA: use #005c8a as the text (7.25:1)
  • AA: or shift the background to #5c5c5c (4.5:1)
  • AAA: or shift the background to #3d3d3d (7.31:1)
Aaon black
14.14:1passpasspassPasses 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 #99ddff as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/99ddff-9cb2c4-df4e64-1f232d-e9f1f0?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