Color

#99f5ff

#99f5ff
hex#99f5ff
rgbrgb(153, 245, 255)
hslhsl(186, 100%, 80%)
oklchoklch(0.916 0.089 204.6)
Closest name: Alpine Expedition (#99eeff)Relative luminance 0.793

Colors that go with #99f5ff

Charcoal, Deep Sky Blue and Goldenrod lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #99f5ff

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffa399

#99ffd6 · #99c2ff

#ff99f5 · #f5ff99

Split-complementary

Open in tool →

#ff99c2 · #ffd699

#d699ff · #ffa399 · #c2ff99

Contrast

#99f5ff as textRatioAAAA largeAAAFix
Aaon white
1.25:1failfailfail
  • AA: use #00818f as the text (4.63:1)
  • AAA: use #00606b as the text (7.28:1)
  • AA: or shift the background to #666666 (4.61:1)
  • AAA: or shift the background to #4a4a4a (7.11:1)
Aaon black
16.86:1passpasspassPasses 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 #99f5ff 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

#99f5ff reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #99f5ff
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #99f5ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/99f5ff-a2b8be-df4e86-1f262d-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