# #99ecff

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

## Values

- Hex: `#99ecff`
- RGB: rgb(153, 236, 255)
- HSL: hsl(191, 100%, 80%)
- OKLCH: oklch(0.896 0.085 213.8)
- Relative luminance: 0.7398
- Nearest named color: Alpine Expedition (#99eeff, Δ 0.542) — https://brandsweets.com/colors/alpine-expedition
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/99ecff

## Tints & shades

- Tints (toward white): #a3eeff, #adf0ff, #b3f1ff, #bdf3ff, #c7f5ff, #d1f7ff, #dbf8ff, #e0f9ff, #ebfbff, #f5fdff
- Shades (toward black): #70e5ff, #4ddeff, #24d7ff, #00d0ff, #00afd6, #008ead, #00708a, #004f61, #00323d, #001114

## Harmonies

- Complementary: #ffac99
- Analogous: #99ffdf, #99b9ff
- Triadic: #ff99ec, #ecff99
- Split-complementary: #ff99b9, #ffdf99
- Tetradic: #df99ff, #ffac99, #b9ff99

## Colors that go with #99ecff

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 #99ecff: softer than #000 and cool enough to feel like part of the same palette. Seen in: Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Boeing (https://brandsweets.com/colors/brands/boeing-com), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #99ecff's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Calendly (https://brandsweets.com/colors/brands/calendly-com), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai). — https://brandsweets.com/colors/deepskyblue
- **Goldenrod** #daa520 [harmony, pool: triadic] — Goldenrod completes a triad with #99ecff — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Fireside (https://brandsweets.com/palettes/dark#fireside), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty), Mid-Century (https://brandsweets.com/palettes/warm#mid-century). — https://brandsweets.com/colors/goldenrod
- **Amber** #ffbf00 [pool] — Amber is paired with #99ecff in 4 real palettes, including Salesforce's brand system and Blueprint, as the accent. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Ember (https://brandsweets.com/palettes/bold#ember). — https://brandsweets.com/colors/amber
- **Brown** #a52a2a [pool] — 4 real palettes, including Velvet and Woodsmoke put Brown beside #99ecff, as the lead colour. Seen in: Velvet (https://brandsweets.com/palettes/luxury#velvet), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Typewriter (https://brandsweets.com/palettes/editorial#typewriter), Garnet (https://brandsweets.com/palettes/warm#garnet). — https://brandsweets.com/colors/brown
- **Burlywood** #deb887 [pool] — Burlywood is paired with #99ecff in 5 real palettes, including Coastal and Chalkboard, as the accent. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Velvet (https://brandsweets.com/palettes/luxury#velvet), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/burlywood
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #99ecff: 6 real palettes, including Coastal and Dusk, as the lead colour. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Dusk (https://brandsweets.com/palettes/cool#dusk), Estate (https://brandsweets.com/palettes/luxury#estate), Alpine (https://brandsweets.com/palettes/cool#alpine). — https://brandsweets.com/colors/cadetblue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #99ecff: 6 real palettes, including Dusk and Bramble, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Bramble (https://brandsweets.com/palettes/muted#bramble), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper

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

- On white (#ffffff): 1.33:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #00819e (4.53:1); AA: background → #636363 (4.52:1); AAA: text → #006075 (7.17:1); AAA: background → #454545 (7.21:1)
- On black (#000000): 15.8:1 — 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/99ecff-a2b6be-df4e7a-1f252d-e9f1ef?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: "#99ecff" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.