# #fd643a

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

## Values

- Hex: `#fd643a`
- RGB: rgb(253, 100, 58)
- HSL: hsl(13, 98%, 61%)
- OKLCH: oklch(0.693 0.195 36)
- Relative luminance: 0.303
- Nearest named color: tomato (#ff6347, Δ 1.299) — https://brandsweets.com/colors/tomato
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/fd643a

## Tints & shades

- Tints (toward white): #fd744e, #fd805d, #fe9072, #fea086, #feb09a, #febca9, #fecbbd, #ffdbd2, #ffe7e1, #fff7f5
- Shades (toward black): #fd4d1c, #fc3903, #de3202, #c02b02, #a72502, #881f01, #6a1801, #4c1101, #320b01, #140500

## Harmonies

- Complementary: #3ad3fd
- Analogous: #fd3a71, #fdc63a
- Triadic: #3afd64, #643afd
- Split-complementary: #3afdc6, #3a71fd
- Tetradic: #71fd3a, #3ad3fd, #c63afd

## Colors that go with #fd643a

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 #fd643a: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Harley-Davidson (https://brandsweets.com/colors/brands/harley-davidson-com), Harbour (https://brandsweets.com/palettes/cool#harbour), Hermès (https://brandsweets.com/colors/brands/hermes-com). — https://brandsweets.com/colors/charcoal
- **Light Sea Green** #20b2aa [harmony, pool: complementary] — Light Sea Green sits directly opposite #fd643a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/lightseagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #fd643a in 7 real palettes, including Ember and Heatwave, as the accent. Seen in: Ember (https://brandsweets.com/palettes/bold#ember), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Maple (https://brandsweets.com/palettes/warm#maple), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 7 real palettes, including Readymag's brand system and Monzo's brand system put Blue beside #fd643a, as the supporting colour. Seen in: Readymag (https://brandsweets.com/colors/brands/readymag-com), Monzo (https://brandsweets.com/colors/brands/monzo-com), Sketch (https://brandsweets.com/colors/brands/sketch-com), Glossier (https://brandsweets.com/colors/brands/glossier-com). — https://brandsweets.com/colors/blue
- **Burlywood** #deb887 [pool] — Burlywood is paired with #fd643a in 4 real palettes, including Chalkboard and Kiln, as the lead colour. Seen in: Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Kiln (https://brandsweets.com/palettes/dark#kiln), Polaroid (https://brandsweets.com/palettes/light#polaroid), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/burlywood
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #fd643a: 4 real palettes, including Alpine and Diner, as the supporting colour. Seen in: Alpine (https://brandsweets.com/palettes/cool#alpine), Diner (https://brandsweets.com/palettes/vivid#diner), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/cadetblue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #fd643a: 4 real palettes, including Tide's brand system and NASA's brand system, as the lead colour. Seen in: Tide (https://brandsweets.com/colors/brands/tide-com), NASA (https://brandsweets.com/colors/brands/nasa-gov), Cobalt Pop (https://brandsweets.com/palettes/bold#cobalt-pop), Walgreens (https://brandsweets.com/colors/brands/walgreens-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [harmony, pool: split] — Cornflower Blue is a split-complement of #fd643a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Roblox (https://brandsweets.com/colors/brands/roblox-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), JBL (https://brandsweets.com/colors/brands/jbl-com). — https://brandsweets.com/colors/cornflowerblue

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

- On white (#ffffff): 2.97:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #de3202 (4.6:1); AA: background → #2e2e2e (4.57:1); AAA: text → #a72502 (7.22:1); AAA: background → #000000 (7.06:1)
- On black (#000000): 7.06:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Cloudflare** — secondary #ff5e1f (Δ 1.669) — https://brandsweets.com/colors/brands/cloudflare
- **Postman** — primary #fc6c34 (Δ 1.728) — https://brandsweets.com/colors/brands/postman-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
- **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

## 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/fd643a-c4a99c-62cbaf-2d281f-f1e9eb?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: "#fd643a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.