# #c4effd

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

## Values

- Hex: `#c4effd`
- RGB: rgb(196, 239, 253)
- HSL: hsl(195, 93%, 88%)
- OKLCH: oklch(0.926 0.048 219.6)
- Relative luminance: 0.8056
- Nearest named color: Castle in the Sky (#d1eaed, Δ 2.422) — https://brandsweets.com/colors/castle-in-the-sky
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/c4effd

## Tints & shades

- Tints (toward white): #c9f0fd, #cef1fd, #d3f3fd, #d8f4fe, #ddf5fe, #e1f7fe, #e6f8fe, #ebfafe, #f0fbfe, #f5fcff
- Shades (toward black): #9de4fb, #70d7fa, #49cdf8, #1dc0f7, #08ace2, #078ebb, #056c8f, #044e67, #022d3b, #010f14

## Harmonies

- Complementary: #fdd2c4
- Analogous: #c4fdef, #c4d2fd
- Triadic: #fdc4ef, #effdc4
- Split-complementary: #fdc4d2, #fdefc4
- Tetradic: #efc4fd, #fdd2c4, #d2fdc4

## Colors that go with #c4effd

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 #c4effd: softer than #000 and cool enough to feel like part of the same palette. Seen in: Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com). — https://brandsweets.com/colors/charcoal
- **Dark Turquoise** #00ced1 [harmony, pool: analogous] — Dark Turquoise is #c4effd'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
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #c4effd's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Deep Water (https://brandsweets.com/palettes/dark#deep-water), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Calendly (https://brandsweets.com/colors/brands/calendly-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai). — https://brandsweets.com/colors/deepskyblue
- **Goldenrod** #daa520 [harmony, pool: split] — Goldenrod is a split-complement of #c4effd: 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
- **Light Coral** #f08080 [harmony, pool: split] — Light Coral is a split-complement of #c4effd: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Blush (https://brandsweets.com/palettes/light#blush), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Meadow (https://brandsweets.com/palettes/light#meadow), Sentry (https://brandsweets.com/colors/brands/sentry-io). — https://brandsweets.com/colors/lightcoral
- **Dark Salmon** #e9967a [harmony, pool: complementary] — Dark Salmon sits directly opposite #c4effd on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Polaroid (https://brandsweets.com/palettes/light#polaroid), Spline (https://brandsweets.com/colors/brands/spline-design). — https://brandsweets.com/colors/darksalmon
- **Amber** #ffbf00 [pool] — Amber is paired with #c4effd 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 #c4effd, 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): 1.23:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #067fa7 (4.56:1); AA: background → #666666 (4.68:1); AAA: text → #045d7b (7.35:1); AAA: background → #4a4a4a (7.22:1)
- On black (#000000): 17.11:1 — 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/c4effd-9cb5c4-df4e70-1f242d-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: "#c4effd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.