# #effbbb

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

## Values

- Hex: `#effbbb`
- RGB: rgb(239, 251, 187)
- HSL: hsl(71, 89%, 86%)
- OKLCH: oklch(0.964 0.083 116.6)
- Relative luminance: 0.9093
- Nearest named color: Banana Milk (#fff7ad, Δ 2.367) — https://brandsweets.com/colors/banana-milk
- Moods: vivid, light, clean
- Page: https://brandsweets.com/colors/effbbb

## Tints & shades

- Tints (toward white): #f1fbc0, #f2fcc5, #f4fccf, #f5fcd4, #f6fdd8, #f7fddd, #f8fde2, #fbfeec, #fcfef1, #fdfef5
- Shades (toward black): #e7f995, #def76e, #d4f443, #cbf21c, #b3d90d, #94b20a, #748c08, #506006, #303a03, #101301

## Harmonies

- Complementary: #c7bcfb
- Analogous: #fbe7bc, #d0fbbc
- Triadic: #bceffb, #fbbcef
- Split-complementary: #bcd0fb, #e7bcfb
- Tetradic: #bcfbe7, #c7bcfb, #fbbcd0

## Colors that go with #effbbb

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 #effbbb: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #effbbb — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Cursor (https://brandsweets.com/colors/brands/cursor-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Calendly (https://brandsweets.com/colors/brands/calendly-com), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Emerald Green** #50c878 [harmony, pool: analogous] — Emerald Green is #effbbb'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), Chime (https://brandsweets.com/colors/brands/chime-com), CircleCI (https://brandsweets.com/colors/brands/circleci-com). — https://brandsweets.com/colors/emerald-green
- **Lilac** #c8a2c8 [harmony, pool: complementary] — Lilac sits directly opposite #effbbb 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), Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom (https://brandsweets.com/colors/brands/phantom-com), Crypto.com (https://brandsweets.com/colors/brands/crypto-com), First Snow (https://brandsweets.com/palettes/cool#first-snow). — https://brandsweets.com/colors/lilac
- **Sand** #c2b280 [harmony, pool: analogous] — Sand is #effbbb's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Greige (https://brandsweets.com/palettes/neutral#greige), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Bramble (https://brandsweets.com/palettes/muted#bramble), Sonos (https://brandsweets.com/colors/brands/sonos-com). — https://brandsweets.com/colors/sand
- **Amber** #ffbf00 [pool] — Amber is paired with #effbbb 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 Alaska Airlines's brand system put Blue beside #effbbb, 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 #effbbb in 12 real palettes, including ClickUp's brand system and Fly.io's brand system, as the lead colour. Seen in: 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), Klarna US (https://brandsweets.com/colors/brands/klarna-com). — https://brandsweets.com/colors/blueviolet

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

- On white (#ffffff): 1.09:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #687d07 (4.64:1); AA: background → #707070 (4.52:1); AAA: text → #4c5c05 (7.39:1); AAA: background → #525252 (7.14:1)
- On black (#000000): 19.19:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **MetaMask** — accent #e5ffc3 (Δ 1.513) — https://brandsweets.com/colors/brands/metamask-io

## 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/effbbb-b6bea2-4e7adf-252d1f-f1efe9?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: "#effbbb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.