# #ffd557

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

## Values

- Hex: `#ffd557`
- RGB: rgb(255, 213, 87)
- HSL: hsl(45, 100%, 67%)
- OKLCH: oklch(0.887 0.148 90.4)
- Relative luminance: 0.6954
- Nearest named color: Mustard Yellow (#ffdb58, Δ 1.483) — https://brandsweets.com/colors/mustard
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ffd557

## Tints & shades

- Tints (toward white): #ffd966, #ffdd75, #ffe085, #ffe494, #ffe9a8, #ffedb8, #fff1c7, #fff5d6, #fff9e5, #fffcf5
- Shades (toward black): #ffcd38, #ffc414, #f5b800, #d6a100, #b88a00, #946f00, #755800, #574100, #332600, #140f00

## Harmonies

- Complementary: #5781ff
- Analogous: #ff8157, #d5ff57
- Triadic: #57ffd5, #d557ff
- Split-complementary: #57d5ff, #8157ff
- Tetradic: #57ff81, #5781ff, #ff57d5

## Colors that go with #ffd557

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 #ffd557: 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), Coastal (https://brandsweets.com/palettes/cool#coastal), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [harmony, pool: complementary] — Cornflower Blue sits directly opposite #ffd557 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), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), 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 #ffd557: 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
- **Crimson** #dc143c [pool] — Crimson is paired with #ffd557 in 7 real palettes, including Diner and Wells Fargo's brand system, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise), Lay's (https://brandsweets.com/colors/brands/lays-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #ffd557: 8 real palettes, including FIFA's brand system and LEGO's brand system, as the supporting colour. Seen in: FIFA (https://brandsweets.com/colors/brands/fifa-com), LEGO (https://brandsweets.com/colors/brands/lego-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Ikea (https://brandsweets.com/colors/brands/ikea-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #ffd557: 6 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), 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 #ffd557 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
- **Red** #ff0000 [pool] — Red is paired with #ffd557 in 4 real palettes, including Paddle's brand system and Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom's brand system, as the supporting colour. Seen in: 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), Wired (https://brandsweets.com/colors/brands/wired-com), Heineken (https://brandsweets.com/colors/brands/heineken-com). — https://brandsweets.com/colors/red

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

- On white (#ffffff): 1.41:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #946f00 (4.63:1); AA: background → #5e5e5e (4.6:1); AAA: text → #705400 (7.1:1); AAA: background → #424242 (7.13:1)
- On black (#000000): 14.91:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Bumble** — accent #ffdb5b (Δ 1.436) — https://brandsweets.com/colors/brands/bumble-com

## Curated palettes containing it

- **Fresh Juice** (playful, vivid, light) — #ff6b35, #ffd166, #06d6a0, #ffffff, #1f1f1f — Orange, mango and mint — a sugar rush; keep the type black so it stays legible under all that color. — tool: https://brandsweets.com/palettes/new/ff6b35-ffd166-06d6a0-ffffff-1f1f1f — collection: https://brandsweets.com/palettes/playful
- **Diner** (retro, vivid, playful, bold) — #e63946, #2a9d8f, #f4d35e, #fffdf5, #1d1d1b — Cherry red, mint-teal and butter yellow — chrome-and-vinyl retro; the red does the work, the teal cools it. — tool: https://brandsweets.com/palettes/new/e63946-2a9d8f-f4d35e-fffdf5-1d1d1b — collection: https://brandsweets.com/palettes/retro
- **Lido** (summer, vivid, light, playful) — #00a6c7, #ff6b6b, #ffd166, #ffffff, #12303a — Pool blue, watermelon and sun on white — the poolside summer set; the deep teal text keeps it from going juvenile. — tool: https://brandsweets.com/palettes/new/00a6c7-ff6b6b-ffd166-ffffff-12303a — collection: https://brandsweets.com/palettes/summer
- **Citrus Grove** (summer, warm, vivid, friendly) — #f28c28, #8bc34a, #ffd23f, #fffcf2, #2c2410 — Orange, lime leaf and lemon — a citrus palette that reads fresh, for drinks, produce and anything seasonal. — tool: https://brandsweets.com/palettes/new/f28c28-8bc34a-ffd23f-fffcf2-2c2410 — collection: https://brandsweets.com/palettes/summer

## 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/ffd557-c4be9c-62afcb-2b2d1f-f1ebe9?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: "#ffd557" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.