# #ffd900

A color — warm, vivid, playful, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#ffd900`
- RGB: rgb(255, 217, 0)
- HSL: hsl(51, 100%, 50%)
- OKLCH: oklch(0.891 0.183 96.2)
- Relative luminance: 0.7089
- Nearest named color: gold (#ffd700, Δ 0.494) — https://brandsweets.com/colors/gold
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ffd900

## Tints & shades

- Tints (toward white): #ffdd1a, #ffe033, #ffe347, #ffe761, #ffeb7a, #ffef94, #fff3ad, #fff6c2, #fffadb, #fffdf5
- Shades (toward black): #e6c300, #d1b200, #b89c00, #a38b00, #8a7500, #705f00, #5c4e00, #423800, #2e2700, #141100

## Harmonies

- Complementary: #0026ff
- Analogous: #ff5900, #a6ff00
- Triadic: #00ffd9, #d900ff
- Split-complementary: #00a6ff, #5900ff
- Tetradic: #00ff59, #0026ff, #ff00a6

## Colors that go with #ffd900

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 #ffd900: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [harmony, pool: complementary] — Cornflower Blue sits directly opposite #ffd900 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. 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
- **Deep Sky Blue** #00bfff [harmony, pool: split] — Deep Sky Blue is a split-complement of #ffd900: 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), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai). — https://brandsweets.com/colors/deepskyblue
- **Blue** #0000ff [pool] — 4 real palettes, including Binance's brand system and Bumble's brand system put Blue beside #ffd900, as the accent. Seen in: Binance (https://brandsweets.com/colors/brands/binance-com), Bumble (https://brandsweets.com/colors/brands/bumble-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 #ffd900 in 7 real palettes, including Tequila Sunrise and Lay's's brand system, as the lead colour. Seen in: Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise), Lay's (https://brandsweets.com/colors/brands/lays-com), Tabloid (https://brandsweets.com/palettes/editorial#tabloid), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #ffd900: 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 #ffd900: 5 real palettes, including Miro's brand system and Star Wars's brand system, as the accent. Seen in: Miro (https://brandsweets.com/colors/brands/miro-com), Star Wars (https://brandsweets.com/colors/brands/starwars-com), Google (https://brandsweets.com/colors/brands/google-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/dodgerblue
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #ffd900 in 5 real palettes, including Streetwear and Google's brand system, as the lead colour. Seen in: Streetwear (https://brandsweets.com/palettes/bold#streetwear), Google (https://brandsweets.com/colors/brands/google-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Brex (https://brandsweets.com/colors/brands/brex-com). — https://brandsweets.com/colors/orangered

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

- On white (#ffffff): 1.38:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #8a7500 (4.54:1); AA: background → #5e5e5e (4.69:1); AAA: text → #665700 (7.17:1); AAA: background → #424242 (7.26:1)
- On black (#000000): 15.18:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Ikea** — secondary #ffdb00 (Δ 0.494) — https://brandsweets.com/colors/brands/ikea-com
- **Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom** — secondary #ffd600 (Δ 0.741) — https://brandsweets.com/colors/brands/phantom-com
- **Ikea** — primary #fcdc04 (Δ 0.817) — https://brandsweets.com/colors/brands/ikea-com
- **Lay's** — primary #fcd609 (Δ 0.921) — https://brandsweets.com/colors/brands/lays-com
- **LEGO** — secondary #ffd502 (Δ 0.995) — https://brandsweets.com/colors/brands/lego-com
- **Miro** — primary #fbdb34 (Δ 1.214) — https://brandsweets.com/colors/brands/miro-com
- **Paddle** — accent #ffd400 (Δ 1.234) — https://brandsweets.com/colors/brands/paddle-com
- **Paddle** — primary #fddd35 (Δ 1.348) — https://brandsweets.com/colors/brands/paddle-com
- **Prime Video** — primary #ffd62c (Δ 1.381) — https://brandsweets.com/colors/brands/primevideo-com
- **Mailchimp** — secondary #ffe01b (Δ 1.66) — https://brandsweets.com/colors/brands/mailchimp-com
- **Binance** — primary #fcd535 (Δ 1.905) — https://brandsweets.com/colors/brands/binance-com

## Curated palettes containing it

- **Night Market** (neon, vivid, dark, warm) — #ff5f1f, #ff2fb3, #ffd400, #120b14, #fff1e6 — Orange, magenta and yellow neon on aubergine-black — the street-sign palette for food, nightlife and events. — tool: https://brandsweets.com/palettes/new/ff5f1f-ff2fb3-ffd400-120b14-fff1e6 — collection: https://brandsweets.com/palettes/neon
- **Tequila Sunrise** (sunset, vivid, bold, warm) — #e63946, #ff9f1c, #ffd60a, #fffaf3, #2a1a0e — Red through orange to yellow — the poured-drink gradient as flat tokens; use it left-to-right, never all at once. — tool: https://brandsweets.com/palettes/new/e63946-ff9f1c-ffd60a-fffaf3-2a1a0e — collection: https://brandsweets.com/palettes/sunset

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- playful: https://brandsweets.com/fonts/mood/playful
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/ffd900-c4c29c-4eaadf-292d1f-f1ece9?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: "#ffd900" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.