# #99acff

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

## Values

- Hex: `#99acff`
- RGB: rgb(153, 172, 255)
- HSL: hsl(229, 100%, 80%)
- OKLCH: oklch(0.763 0.121 273.4)
- Relative luminance: 0.435
- Nearest named color: Widowmaker (#99aaff, Δ 0.522) — https://brandsweets.com/colors/widowmaker
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/99acff

## Tints & shades

- Tints (toward white): #a3b4ff, #adbcff, #b3c1ff, #bdc9ff, #c7d1ff, #d1daff, #dbe2ff, #e0e6ff, #ebeeff, #f5f7ff
- Shades (toward black): #708aff, #4d6dff, #244cff, #002fff, #0027d6, #0020ad, #00198a, #001261, #000b3d, #000414

## Harmonies

- Complementary: #ffec99
- Analogous: #99dfff, #b999ff
- Triadic: #ff99ac, #acff99
- Split-complementary: #ffb999, #dfff99
- Tetradic: #ff99df, #ffec99, #99ffb9

## Colors that go with #99acff

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 #99acff: softer than #000 and cool enough to feel like part of the same palette. Seen in: Mercury (https://brandsweets.com/colors/brands/mercury-com), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Harbour (https://brandsweets.com/palettes/cool#harbour), Blizzard (https://brandsweets.com/colors/brands/blizzard-com). — https://brandsweets.com/colors/charcoal
- **Dark Orange** #ff8c00 [harmony, pool: split] — Dark Orange is a split-complement of #99acff: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), PayPal (https://brandsweets.com/colors/brands/paypal-com), Learning App (https://brandsweets.com/palettes/playful#learning-app), Elastic (https://brandsweets.com/colors/brands/elastic-co). — https://brandsweets.com/colors/darkorange
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #99acff's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Calm (https://brandsweets.com/colors/brands/calm-com), Remix (https://brandsweets.com/colors/brands/remix-run), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com). — https://brandsweets.com/colors/deepskyblue
- **Goldenrod** #daa520 [harmony, pool: complementary] — Goldenrod sits directly opposite #99acff 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 #99acff in 5 real palettes, including Ahrefs's brand system and NBA's brand system, as the supporting colour. Seen in: Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), NBA (https://brandsweets.com/colors/brands/nba-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Salesforce (https://brandsweets.com/colors/brands/salesforce-com). — https://brandsweets.com/colors/amber
- **Denim** #1560bd [pool] — Designers have shipped Denim with #99acff: 4 real palettes, including Coca-Cola's brand system and Venmo's brand system, as the accent. Seen in: Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Open House (https://brandsweets.com/palettes/clean#open-house), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #99acff: 4 real palettes, including Opensea's brand system and Venmo's brand system, as the lead colour. Seen in: Opensea (https://brandsweets.com/colors/brands/opensea-io), Venmo (https://brandsweets.com/colors/brands/venmo-com), Patreon (https://brandsweets.com/colors/brands/patreon-com), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Lavender Milk and Lavender Haze put Midnight Blue beside #99acff, as the text colour against it. Seen in: Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 2.17:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #4265ff (4.63:1); AA: background → #424242 (4.64:1); AAA: text → #0533ff (7.18:1); AAA: background → #242424 (7.17:1)
- On black (#000000): 9.7:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **JBL** — accent #90adff (Δ 1.11) — https://brandsweets.com/colors/brands/jbl-com

## 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/99acff-9c9fc4-df7e4e-231f2d-e9eef1?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: "#99acff" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.