# #99bbff

A color — cool, vivid, light, technical, modern, clean. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#99bbff`
- RGB: rgb(153, 187, 255)
- HSL: hsl(220, 100%, 80%)
- OKLCH: oklch(0.793 0.104 263.7)
- Relative luminance: 0.4953
- Nearest named color: Electric Eel (#88bbee, Δ 3.307) — https://brandsweets.com/colors/electric-eel
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/99bbff

## Tints & shades

- Tints (toward white): #a3c2ff, #adc9ff, #b3ccff, #bdd3ff, #c7daff, #d1e0ff, #dbe7ff, #e0ebff, #ebf1ff, #f5f8ff
- Shades (toward black): #70a0ff, #4d88ff, #246dff, #0055ff, #0047d6, #003aad, #002e8a, #002061, #00143d, #000714

## Harmonies

- Complementary: #ffdd99
- Analogous: #99eeff, #aa99ff
- Triadic: #ff99bb, #bbff99
- Split-complementary: #ffaa99, #eeff99
- Tetradic: #ff99ee, #ffdd99, #99ffaa

## Colors that go with #99bbff

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #99bbff: softer than #000 and cool enough to feel like part of the same palette. Seen in: Mercury (https://brandsweets.com/colors/brands/mercury-com), Harbour (https://brandsweets.com/palettes/cool#harbour), Coastal (https://brandsweets.com/palettes/cool#coastal), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/charcoal
- **Goldenrod** #daa520 [harmony, pool: complementary] — Goldenrod sits directly opposite #99bbff on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/goldenrod
- **Amber** #ffbf00 [pool] — Amber is paired with #99bbff in 4 real palettes, including NBA's brand system and Blueprint, as the lead colour. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Salesforce (https://brandsweets.com/colors/brands/salesforce-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 4 real palettes, including Canva's brand system and Spotify's brand system put Blue beside #99bbff, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify), Uber (https://brandsweets.com/colors/brands/uber-com), Warp (https://brandsweets.com/colors/brands/warp-dev). — https://brandsweets.com/colors/blue
- **Dark Orange** #ff8c00 [harmony, pool: split] — Dark Orange is a split-complement of #99bbff: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: PayPal (https://brandsweets.com/colors/brands/paypal-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/darkorange
- **Denim** #1560bd [pool] — Designers have shipped Denim with #99bbff: 5 real palettes, including Venmo's brand system and Coca-Cola's brand system, as the accent. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Open House (https://brandsweets.com/palettes/clean#open-house), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #99bbff: 4 real palettes, including Opensea's brand system and Patreon's brand system, as the lead colour. Seen in: Opensea (https://brandsweets.com/colors/brands/opensea-io), Patreon (https://brandsweets.com/colors/brands/patreon-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Telehealth and Lavender Milk put Midnight Blue beside #99bbff, as the text colour against it. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), First Snow (https://brandsweets.com/palettes/cool#first-snow). — https://brandsweets.com/colors/midnightblue

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 1.93:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #1f69ff (4.64:1); AA: background → #4a4a4a (4.6:1); AAA: text → #0049db (7.06:1); AAA: background → #2e2e2e (7.05:1)
- On black (#000000): 10.91:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- clean: https://brandsweets.com/fonts/mood/clean

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/99bbff-9ca5c4-df694e-211f2d-e9f0f1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#99bbff" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.