# #d4ecfc

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

## Values

- Hex: `#d4ecfc`
- RGB: rgb(212, 236, 252)
- HSL: hsl(204, 87%, 91%)
- OKLCH: oklch(0.93 0.033 237)
- Relative luminance: 0.8102
- Nearest named color: Celestial Cathedral (#daeaf6, Δ 1.008) — https://brandsweets.com/colors/celestial-cathedral
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/d4ecfc

## Tints & shades

- Tints (toward white): #d9eefc, #d9eefc, #def0fd, #e2f2fd, #e7f4fd, #e7f4fd, #ecf7fe, #f1f9fe, #f1f9fe, #f5fbfe
- Shades (toward black): #a9d9f9, #83c8f6, #58b5f3, #2da2f0, #1090e5, #0d75ba, #0a5a8f, #073f64, #04273e, #010c13

## Harmonies

- Complementary: #fce4d4
- Analogous: #d4fcf8, #d4d8fc
- Triadic: #fcd4ec, #ecfcd4
- Split-complementary: #fcd4d8, #fcf8d4
- Tetradic: #f8d4fc, #fce4d4, #d8fcd4

## Colors that go with #d4ecfc

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 #d4ecfc: softer than #000 and cool enough to feel like part of the same palette. Seen in: Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [harmony, pool: analogous] — Cornflower Blue is #d4ecfc's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Terminal (https://brandsweets.com/palettes/technical#terminal), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Porsche (https://brandsweets.com/colors/brands/porsche-com). — https://brandsweets.com/colors/cornflowerblue
- **Dark Orange** #ff8c00 [harmony, pool: complementary] — Dark Orange sits directly opposite #d4ecfc on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Playground (https://brandsweets.com/palettes/bold#playground), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Burger King (https://brandsweets.com/colors/brands/bk-com). — https://brandsweets.com/colors/darkorange
- **Dark Turquoise** #00ced1 [harmony, pool: analogous] — Dark Turquoise is #d4ecfc's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Prisma (https://brandsweets.com/colors/brands/prisma-io), Riot Games (https://brandsweets.com/colors/brands/riotgames-com), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/darkturquoise
- **Goldenrod** #daa520 [harmony, pool: split] — Goldenrod is a split-complement of #d4ecfc: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. 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), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/goldenrod
- **Yellow Green** #9acd32 [harmony, pool: triadic] — Yellow Green completes a triad with #d4ecfc — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Steam (https://brandsweets.com/colors/brands/steampowered-com), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Acer (https://brandsweets.com/colors/brands/acer-com), Monster Energy (https://brandsweets.com/colors/brands/monsterenergy-com). — https://brandsweets.com/colors/yellowgreen
- **Amber** #ffbf00 [pool] — Amber is paired with #d4ecfc in 21 real palettes, including Blueprint and Trailhead, as the accent. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Ember (https://brandsweets.com/palettes/bold#ember), Binance (https://brandsweets.com/colors/brands/binance-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 47 real palettes, including Dropbox's brand system and Alaska Airlines's brand system put Blue beside #d4ecfc, as the accent. Seen in: Dropbox (https://brandsweets.com/colors/brands/dropbox-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Binance (https://brandsweets.com/colors/brands/binance-com), Cargo (https://brandsweets.com/colors/brands/cargo-site). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 1.22:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0e7bc4 (4.52:1); AA: background → #666666 (4.7:1); AAA: text → #0a5a8f (7.31:1); AAA: background → #4a4a4a (7.26:1)
- On black (#000000): 17.2:1 — AA pass, AA-large pass, AAA pass

## Curated palettes containing it

- **Deep Water** (ocean, dark, cool, luxury) — #00b4d8, #0077b6, #caf0f8, #03045e, #e8f6fb — Cyan and mid-blue on abyss navy with a foam highlight — the ocean at depth; the darker the surface, the brighter the water. — tool: https://brandsweets.com/palettes/new/00b4d8-0077b6-caf0f8-03045e-e8f6fb — collection: https://brandsweets.com/palettes/ocean

## 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/d4ecfc-9cafc4-df4e5a-1f222d-e9f1f0?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: "#d4ecfc" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.