Color

#99bbff

#99bbff
hex#99bbff
rgbrgb(153, 187, 255)
hslhsl(220, 100%, 80%)
oklchoklch(0.793 0.104 263.7)
Closest name: Electric Eel (#88bbee)Relative luminance 0.4953

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffdd99

#99eeff · #aa99ff

#ff99bb · #bbff99

Split-complementary

Open in tool →

#ffaa99 · #eeff99

#ff99ee · #ffdd99 · #99ffaa

Contrast

#99bbff as textRatioAAAA largeAAAFix
Aaon white
1.93:1failfailfail
  • AA: use #1f69ff as the text (4.64:1)
  • AAA: use #0049db as the text (7.06:1)
  • AA: or shift the background to #4a4a4a (4.6:1)
  • AAA: or shift the background to #2e2e2e (7.05:1)
Aaon black
10.91:1passpasspassPasses 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 #99bbff 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

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

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

tool url/palettes/new/99bbff-9ca5c4-df694e-211f2d-e9f0f1?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