# #efef81

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

## Values

- Hex: `#efef81`
- RGB: rgb(239, 239, 129)
- HSL: hsl(60, 77%, 72%)
- OKLCH: oklch(0.93 0.133 108.7)
- Relative luminance: 0.8167
- Nearest named color: khaki (#f0e68c, Δ 2.935) — https://brandsweets.com/colors/khaki
- Moods: vivid, light, clean
- Page: https://brandsweets.com/colors/efef81

## Tints & shades

- Tints (toward white): #f0f08e, #f2f297, #f3f3a5, #f4f4ae, #f6f6bb, #f8f8c9, #f9f9d2, #fbfbdf, #fcfce8, #fefef6
- Shades (toward black): #eaea61, #e6e641, #e3e326, #cbcb1a, #acac16, #8c8c12, #6c6c0e, #51510b, #323206, #121202

## Harmonies

- Complementary: #8181ef
- Analogous: #efb881, #b8ef81
- Triadic: #81efef, #ef81ef
- Split-complementary: #81b8ef, #b881ef
- Tetradic: #81efb8, #8181ef, #ef81b8

## Colors that go with #efef81

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 #efef81: 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), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Lilac** #c8a2c8 [harmony, pool: complementary] — Lilac sits directly opposite #efef81 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
- **Blue** #0000ff [pool] — 4 real palettes, including Bumble's brand system and Binance's brand system put Blue beside #efef81, 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
- **Crimson** #dc143c [pool] — Crimson is paired with #efef81 in 9 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
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #efef81 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #efef81: 6 real palettes, including FIFA's brand system and Ikea's brand system, as the supporting colour. Seen in: FIFA (https://brandsweets.com/colors/brands/fifa-com), Ikea (https://brandsweets.com/colors/brands/ikea-com), LEGO (https://brandsweets.com/colors/brands/lego-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/denim
- **Peru** #cd853f [pool] — 4 real palettes, including Woodsmoke and Mid-Century put Peru beside #efef81, as the lead colour. Seen in: Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/peru
- **Red** #ff0000 [pool] — Red is paired with #efef81 in 4 real palettes, including Paddle's brand system and Heineken's brand system, as the supporting colour. Seen in: Paddle (https://brandsweets.com/colors/brands/paddle-com), Heineken (https://brandsweets.com/colors/brands/heineken-com), Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom (https://brandsweets.com/colors/brands/phantom-com), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/red

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

- On white (#ffffff): 1.21:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7a7a10 (4.55:1); AA: background → #696969 (4.53:1); AAA: text → #5a5a0c (7.24:1); AAA: background → #4a4a4a (7.32:1)
- On black (#000000): 17.33:1 — 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/efef81-bbbea2-4e94df-272d1f-f1ede9?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: "#efef81" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.