# #cdf9ef

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

## Values

- Hex: `#cdf9ef`
- RGB: rgb(205, 249, 239)
- HSL: hsl(166, 79%, 89%)
- OKLCH: oklch(0.949 0.047 179.9)
- Relative luminance: 0.8696
- Nearest named color: Glacial Drift (#c3fbf4, Δ 1.2) — https://brandsweets.com/colors/glacial-drift
- Moods: vivid, light, clean
- Page: https://brandsweets.com/colors/cdf9ef

## Tints & shades

- Tints (toward white): #d1faf0, #d6faf2, #dafbf3, #dffbf5, #e4fcf6, #e4fcf6, #e8fcf8, #edfdf9, #f1fdfb, #f6fefc
- Shades (toward black): #a8f5e3, #7ff0d6, #5becca, #32e7bd, #19d7aa, #14ad8a, #10896d, #0b604c, #073b2f, #02120e

## Harmonies

- Complementary: #f9cdd7
- Analogous: #cdf9d9, #cdedf9
- Triadic: #efcdf9, #f9efcd
- Split-complementary: #f9cded, #f9d9cd
- Tetradic: #d9cdf9, #f9cdd7, #edf9cd

## Colors that go with #cdf9ef

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 #cdf9ef: 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), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Emerald Green** #50c878 [harmony, pool: analogous] — Emerald Green is #cdf9ef's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Meadow (https://brandsweets.com/palettes/light#meadow), Playground (https://brandsweets.com/palettes/bold#playground), Chime (https://brandsweets.com/colors/brands/chime-com). — https://brandsweets.com/colors/emerald-green
- **Light Coral** #f08080 [harmony, pool: complementary] — Light Coral sits directly opposite #cdf9ef on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Blush (https://brandsweets.com/palettes/light#blush), Meadow (https://brandsweets.com/palettes/light#meadow), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Sentry (https://brandsweets.com/colors/brands/sentry-io). — https://brandsweets.com/colors/lightcoral
- **Lilac** #c8a2c8 [harmony, pool: triadic] — Lilac completes a triad with #cdf9ef — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Crypto.com (https://brandsweets.com/colors/brands/crypto-com), Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk), First Snow (https://brandsweets.com/palettes/cool#first-snow). — https://brandsweets.com/colors/lilac
- **Sandy Brown** #f4a460 [harmony, pool: triadic] — Sandy Brown completes a triad with #cdf9ef — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Golden Hour (https://brandsweets.com/palettes/warm#golden-hour), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/sandybrown
- **Amber** #ffbf00 [pool] — Amber is paired with #cdf9ef 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), Maple (https://brandsweets.com/palettes/warm#maple). — 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 #cdf9ef, as the accent. Seen in: Dropbox (https://brandsweets.com/colors/brands/dropbox-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Cargo (https://brandsweets.com/colors/brands/cargo-site), Binance (https://brandsweets.com/colors/brands/binance-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #cdf9ef in 12 real palettes, including Gemstone and ClickUp's brand system, as the supporting colour. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), ClickUp (https://brandsweets.com/colors/brands/clickup-com), Fly.io (https://brandsweets.com/colors/brands/fly-io), Prepare your taste buds... (https://brandsweets.com/colors/brands/grubhub-com). — https://brandsweets.com/colors/blueviolet

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

- On white (#ffffff): 1.14:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #108469 (4.64:1); AA: background → #6b6b6b (4.67:1); AAA: text → #0c6450 (7.11:1); AAA: background → #4f4f4f (7.17:1)
- On black (#000000): 18.39:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Together AI** — secondary #c8f6f9 (Δ 1.865) — https://brandsweets.com/colors/brands/together-ai

## Fonts for this mood

- 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/cdf9ef-a2bebb-d459b1-1f2a2d-e9f1ec?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: "#cdf9ef" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.