# #eff174

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

## Values

- Hex: `#eff174`
- RGB: rgb(239, 241, 116)
- HSL: hsl(61, 82%, 70%)
- OKLCH: oklch(0.932 0.148 109.8)
- Relative luminance: 0.8252
- Nearest named color: Buttercup Glow (#f1f458, Δ 2.597) — https://brandsweets.com/colors/buttercup-glow
- Moods: vivid, light, clean
- Page: https://brandsweets.com/colors/eff174

## Tints & shades

- Tints (toward white): #f1f382, #f2f490, #f3f599, #f5f6a7, #f7f8b5, #f8f9c3, #fafad1, #fbfbda, #fcfde8, #fefef6
- Shades (toward black): #ebee53, #e8eb37, #e5e817, #c9cc14, #a9ac11, #898b0e, #6e6f0b, #4e4f08, #323305, #121302

## Harmonies

- Complementary: #7674f1
- Analogous: #f1b574, #b0f174
- Triadic: #74eff1, #f174ef
- Split-complementary: #74b0f1, #b574f1
- Tetradic: #74f1b5, #7674f1, #f174b0

## Colors that go with #eff174

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 #eff174: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), 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 #eff174 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). — https://brandsweets.com/colors/lilac
- **Blue** #0000ff [pool] — 4 real palettes, including Bumble's brand system and Snapchat's brand system put Blue beside #eff174, as the supporting colour. Seen in: Bumble (https://brandsweets.com/colors/brands/bumble-com), Snapchat (https://brandsweets.com/colors/brands/snapchat-com), Binance (https://brandsweets.com/colors/brands/binance-com), Robinhood (https://brandsweets.com/colors/brands/robinhood-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #eff174 in 8 real palettes, including Lay's's brand system and Ferrari's brand system, as the accent. Seen in: Lay's (https://brandsweets.com/colors/brands/lays-com), Ferrari (https://brandsweets.com/colors/brands/ferrari-com), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #eff174 — 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 #eff174: 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
- **Red** #ff0000 [pool] — Red is paired with #eff174 in 4 real palettes, including Heineken's brand system and Paddle's brand system, as the accent. Seen in: Heineken (https://brandsweets.com/colors/brands/heineken-com), Paddle (https://brandsweets.com/colors/brands/paddle-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
- **Taupe** #483c32 [pool] — Taupe is paired with #eff174 in 14 real palettes, including Crayon Box and Nursery, as the text colour against it. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Nursery (https://brandsweets.com/palettes/light#nursery), Meadow (https://brandsweets.com/palettes/light#meadow), Calvin Klein (https://brandsweets.com/colors/brands/calvinklein-us). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 1.2:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #77790c (4.64:1); AA: background → #696969 (4.58:1); AAA: text → #575809 (7.49:1); AAA: background → #4d4d4d (7.05:1)
- On black (#000000): 17.5:1 — 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/eff174-babea2-4e92df-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: "#eff174" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.