# #e4e401

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

## Values

- Hex: `#e4e401`
- RGB: rgb(228, 228, 1)
- HSL: hsl(60, 99%, 45%)
- OKLCH: oklch(0.889 0.194 109.8)
- Relative luminance: 0.7198
- Nearest named color: Banana Bombshell (#f7e82e, Δ 3.231) — https://brandsweets.com/colors/banana-bombshell
- Moods: vivid
- Page: https://brandsweets.com/colors/e4e401

## Tints & shades

- Tints (toward white): #fefe01, #fefe20, #fefe39, #fefe52, #fefe71, #fefe8a, #ffffa4, #ffffbd, #ffffdb, #fffff5
- Shades (toward black): #d0d001, #bcbc01, #a7a701, #939301, #7f7f01, #656501, #515100, #3d3d00, #292900, #141400

## Harmonies

- Complementary: #0101e4
- Analogous: #e47301, #73e401
- Triadic: #01e4e4, #e401e4
- Split-complementary: #0173e4, #7301e4
- Tetradic: #01e473, #0101e4, #e40173

## Colors that go with #e4e401

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 #e4e401: 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), Lido (https://brandsweets.com/palettes/vivid#lido), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Lilac** #c8a2c8 [harmony, pool: complementary] — Lilac sits directly opposite #e4e401 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 Binance's brand system and Robinhood's brand system put Blue beside #e4e401, as the accent. Seen in: Binance (https://brandsweets.com/colors/brands/binance-com), Robinhood (https://brandsweets.com/colors/brands/robinhood-com), Bumble (https://brandsweets.com/colors/brands/bumble-com), Snapchat (https://brandsweets.com/colors/brands/snapchat-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #e4e401: 4 real palettes, including NBA's brand system and Ahrefs's brand system, as the accent. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #e4e401 in 8 real palettes, including Lay's's brand system and Tequila Sunrise, as the accent. Seen in: Lay's (https://brandsweets.com/colors/brands/lays-com), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise), Ferrari (https://brandsweets.com/colors/brands/ferrari-com), Tabloid (https://brandsweets.com/palettes/editorial#tabloid). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [harmony, pool: split] — Deep Sky Blue is a split-complement of #e4e401: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. 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 #e4e401: 7 real palettes, including Ikea's brand system and LEGO's brand system, as the accent. Seen in: Ikea (https://brandsweets.com/colors/brands/ikea-com), LEGO (https://brandsweets.com/colors/brands/lego-com), FIFA (https://brandsweets.com/colors/brands/fifa-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #e4e401: 5 real palettes, including Star Wars's brand system and Miro's brand system, as the supporting colour. Seen in: Star Wars (https://brandsweets.com/colors/brands/starwars-com), Miro (https://brandsweets.com/colors/brands/miro-com), JetBrains (https://brandsweets.com/colors/brands/jetbrains-com), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 1.36:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7a7a01 (4.55:1); AA: background → #616161 (4.54:1); AAA: text → #5b5b00 (7.14:1); AAA: background → #454545 (7.03:1)
- On black (#000000): 15.4:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/e4e401-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: "#e4e401" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.