Color

#99bef4

#99bef4
hex#99bef4
rgbrgb(153, 190, 244)
hslhsl(216, 81%, 78%)
oklchoklch(0.794 0.087 257.7)
Closest name: Electric Eel (#88bbee)Relative luminance 0.5013

Colors that go with #99bef4

Charcoal, Goldenrod and Amber 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f4d099

#99ebf4 · #a399f4

#f499be · #bef499

Split-complementary

Open in tool →

#f4a399 · #ebf499

#f499eb · #f4d099 · #99f4a3

Contrast

#99bef4 as textRatioAAAA largeAAAFix
Aaon white
1.9:1failfailfail
  • AA: use #2171e8 as the text (4.57:1)
  • AAA: use #1353b4 as the text (7.18:1)
  • AA: or shift the background to #4a4a4a (4.65:1)
  • AAA: or shift the background to #2e2e2e (7.13:1)
Aaon black
11.03:1passpasspassPasses 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 #99bef4 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#99bef4 reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #99bef4
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 #99bef4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/99bef4-9ca7c4-df5f4e-201f2d-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