# #eff291

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

## Values

- Hex: `#eff291`
- RGB: rgb(239, 242, 145)
- HSL: hsl(62, 79%, 76%)
- OKLCH: oklch(0.938 0.12 110)
- Relative luminance: 0.839
- Nearest named color: Banana Cream (#fff49c, Δ 2.67) — https://brandsweets.com/colors/banana-cream
- Moods: vivid, light, clean
- Page: https://brandsweets.com/colors/eff291

## Tints & shades

- Tints (toward white): #f0f39b, #f2f4a4, #f4f6b1, #f5f7bb, #f6f8c4, #f8f9cd, #f9fad6, #fbfce4, #fcfded, #fefef6
- Shades (toward black): #eaee72, #e6eb52, #e0e62d, #d0d719, #b1b715, #929712, #73770e, #50520a, #313206, #121202

## Harmonies

- Complementary: #9591f2
- Analogous: #f2c591, #bff291
- Triadic: #91eff2, #f291ef
- Split-complementary: #91bff2, #c591f2
- Tetradic: #91f2c5, #9591f2, #f291bf

## Colors that go with #eff291

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 #eff291: 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), Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Lido (https://brandsweets.com/palettes/vivid#lido), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com). — https://brandsweets.com/colors/charcoal
- **Sky Blue** #87ceeb [harmony, pool: triadic] — Sky Blue completes a triad with #eff291 — 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), Oatly (https://brandsweets.com/colors/brands/oatly-com), Still Water (https://brandsweets.com/palettes/cool#still-water), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/skyblue
- **Lilac** #c8a2c8 [harmony, pool: complementary] — Lilac sits directly opposite #eff291 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom (https://brandsweets.com/colors/brands/phantom-com), Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe). — https://brandsweets.com/colors/lilac
- **Amber** #ffbf00 [pool] — Amber is paired with #eff291 in 6 real palettes, including Gumroad's brand system and Binance's brand system, as the accent. Seen in: Gumroad (https://brandsweets.com/colors/brands/gumroad-com), Binance (https://brandsweets.com/colors/brands/binance-com), Ember (https://brandsweets.com/palettes/bold#ember), Trailhead (https://brandsweets.com/palettes/warm#trailhead). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 4 real palettes, including Bumble's brand system and Binance's brand system put Blue beside #eff291, as the supporting colour. Seen in: Bumble (https://brandsweets.com/colors/brands/bumble-com), Binance (https://brandsweets.com/colors/brands/binance-com), Snapchat (https://brandsweets.com/colors/brands/snapchat-com), Robinhood (https://brandsweets.com/colors/brands/robinhood-com). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #eff291: 6 real palettes, including Bakery and Clay & Linen, as the accent. Seen in: Bakery (https://brandsweets.com/palettes/warm#bakery), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Bramble (https://brandsweets.com/palettes/muted#bramble), Desert Road (https://brandsweets.com/palettes/warm#desert-road). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #eff291 in 10 real palettes, including Lay's's brand system and Diner, as the accent. Seen in: Lay's (https://brandsweets.com/colors/brands/lays-com), Diner (https://brandsweets.com/palettes/vivid#diner), Ferrari (https://brandsweets.com/colors/brands/ferrari-com), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #eff291 in 10 real palettes, including Miro's brand system and BrandSweets's brand system, as the supporting colour. Seen in: Miro (https://brandsweets.com/colors/brands/miro-com), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Cider (https://brandsweets.com/palettes/warm#cider), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor). — https://brandsweets.com/colors/darkolivegreen

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

- On white (#ffffff): 1.18:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #787b0e (4.53:1); AA: background → #6b6b6b (4.51:1); AAA: text → #595b0b (7.18:1); AAA: background → #4d4d4d (7.16:1)
- On black (#000000): 17.78:1 — 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/eff291-babea2-4e8fdf-272d1f-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: "#eff291" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.