# #eff3bf

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

## Values

- Hex: `#eff3bf`
- RGB: rgb(239, 243, 191)
- HSL: hsl(65, 68%, 85%)
- OKLCH: oklch(0.948 0.067 111.3)
- Relative luminance: 0.8621
- Nearest named color: Blond (#faf0be, Δ 1.563) — https://brandsweets.com/colors/blond
- Moods: vivid, light, clean
- Page: https://brandsweets.com/colors/eff3bf

## Tints & shades

- Tints (toward white): #f0f4c3, #f2f5cc, #f3f6d0, #f4f7d4, #f6f8dd, #f7f9e1, #f8fae5, #f9fbea, #fcfdf2, #fdfdf6
- Shades (toward black): #e6ec9c, #dde67a, #d4df58, #cbd936, #b4c125, #909a1d, #707817, #505610, #30330a, #101103

## Harmonies

- Complementary: #c3bff3
- Analogous: #f3ddbf, #d4f3bf
- Triadic: #bfeef3, #f3bfee
- Split-complementary: #bfd4f3, #ddbff3
- Tetradic: #bff3dd, #c3bff3, #f3bfd4

## Colors that go with #eff3bf

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 body-text near-black for #eff3bf: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine). — https://brandsweets.com/colors/charcoal
- **Emerald Green** #50c878 [harmony, pool: analogous] — Emerald Green is #eff3bf's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Playground (https://brandsweets.com/palettes/bold#playground), Meadow (https://brandsweets.com/palettes/light#meadow), Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Chime (https://brandsweets.com/colors/brands/chime-com). — https://brandsweets.com/colors/emerald-green
- **Lilac** #c8a2c8 [harmony, pool: complementary] — Lilac sits directly opposite #eff3bf on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Crypto.com (https://brandsweets.com/colors/brands/crypto-com), Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom (https://brandsweets.com/colors/brands/phantom-com), First Snow (https://brandsweets.com/palettes/cool#first-snow). — https://brandsweets.com/colors/lilac
- **Plum** #dda0dd [harmony, pool: split] — Plum is a split-complement of #eff3bf: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Blossom (https://brandsweets.com/palettes/light#blossom), Mercury (https://brandsweets.com/colors/brands/mercury-com), Netlify (https://brandsweets.com/colors/brands/netlify-com), NYX Cosmetics (https://brandsweets.com/colors/brands/nyxcosmetics-com). — https://brandsweets.com/colors/plum
- **Sand** #c2b280 [harmony, pool: analogous] — Sand is #eff3bf's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Greige (https://brandsweets.com/palettes/neutral#greige), Sonos (https://brandsweets.com/colors/brands/sonos-com), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding). — https://brandsweets.com/colors/sand
- **Sky Blue** #87ceeb [harmony, pool: triadic] — Sky Blue completes a triad with #eff3bf — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Pastel Pop (https://brandsweets.com/palettes/playful#pastel-pop), Still Water (https://brandsweets.com/palettes/cool#still-water), Harbour (https://brandsweets.com/palettes/cool#harbour), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue). — https://brandsweets.com/colors/skyblue
- **Amber** #ffbf00 [pool] — Amber is paired with #eff3bf in 21 real palettes, including Trailhead and Ember, as the accent. Seen in: Trailhead (https://brandsweets.com/palettes/warm#trailhead), Ember (https://brandsweets.com/palettes/bold#ember), Maple (https://brandsweets.com/palettes/warm#maple), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 47 real palettes, including Dropbox's brand system and Binance's brand system put Blue beside #eff3bf, as the accent. Seen in: Dropbox (https://brandsweets.com/colors/brands/dropbox-com), Binance (https://brandsweets.com/colors/brands/binance-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Cargo (https://brandsweets.com/colors/brands/cargo-site). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 1.15:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #747c18 (4.53:1); AA: background → #6b6b6b (4.63:1); AAA: text → #545a11 (7.37:1); AAA: background → #4f4f4f (7.12:1)
- On black (#000000): 18.24:1 — AA pass, AA-large pass, AAA pass

## 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/eff3bf-b8bea2-4e88df-262d1f-f1eee9?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: "#eff3bf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.