Color

#99cccc

#99cccc
hex#99cccc
rgbrgb(153, 204, 204)
hslhsl(180, 33%, 70%)
oklchoklch(0.81 0.053 196.2)
Closest name: Continental Waters (#98c6cb)Relative luminance 0.5432

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cc9999

#99ccb3 · #99b3cc

#cc99cc · #cccc99

Split-complementary

Open in tool →

#cc99b3 · #ccb399

#b399cc · #cc9999 · #b3cc99

Contrast

#99cccc as textRatioAAAA largeAAAFix
Aaon white
1.77:1failfailfail
  • AA: use #3f7d7d as the text (4.73:1)
  • AAA: use #305f5f as the text (7.17:1)
  • AA: or shift the background to #4f4f4f (4.63:1)
  • AAA: or shift the background to #333333 (7.14:1)
Aaon black
11.86:1passpasspassPasses 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 #99cccc as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/99cccc-a2bbbe-d45994-1f272d-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