# #ff4b0a

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

## Values

- Hex: `#ff4b0a`
- RGB: rgb(255, 75, 10)
- HSL: hsl(16, 100%, 52%)
- OKLCH: oklch(0.666 0.224 36)
- Relative luminance: 0.2631
- Nearest named color: orangered (#ff4500, Δ 0.795) — https://brandsweets.com/colors/orangered
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ff4b0a

## Tints & shades

- Tints (toward white): #ff5e24, #ff6d38, #ff8052, #ff8f66, #ffa280, #ffb499, #ffc3ad, #ffd6c7, #ffe5db, #fff8f5
- Shades (toward black): #f04000, #d63900, #c23400, #a82d00, #8f2600, #751f00, #5c1800, #471300, #2e0c00, #140500

## Harmonies

- Complementary: #0abeff
- Analogous: #ff0a43, #ffc60a
- Triadic: #0aff4b, #4b0aff
- Split-complementary: #0affc6, #0a43ff
- Tetradic: #43ff0a, #0abeff, #c60aff

## Colors that go with #ff4b0a

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 #ff4b0a: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: HubSpot (https://brandsweets.com/colors/brands/hubspot-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Audi (https://brandsweets.com/colors/brands/audi-com). — https://brandsweets.com/colors/charcoal
- **Cadet Blue** #5f9ea0 [harmony, pool: complementary] — Cadet Blue sits directly opposite #ff4b0a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Alpine (https://brandsweets.com/palettes/cool#alpine), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/cadetblue
- **Amber** #ffbf00 [pool] — Amber is paired with #ff4b0a in 6 real palettes, including Heatwave and Ember, as the supporting colour. Seen in: Heatwave (https://brandsweets.com/palettes/warm#heatwave), Ember (https://brandsweets.com/palettes/bold#ember), Google (https://brandsweets.com/colors/brands/google-com), Maple (https://brandsweets.com/palettes/warm#maple). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 7 real palettes, including Readymag's brand system and Glossier's brand system put Blue beside #ff4b0a, as the supporting colour. Seen in: Readymag (https://brandsweets.com/colors/brands/readymag-com), Glossier (https://brandsweets.com/colors/brands/glossier-com), Monzo (https://brandsweets.com/colors/brands/monzo-com), Doordash (https://brandsweets.com/colors/brands/doordash-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #ff4b0a: 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), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Cobalt Pop (https://brandsweets.com/palettes/bold#cobalt-pop). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #ff4b0a in 8 real palettes, including Pizza Hut's brand system and Wise's brand system, as the supporting colour. Seen in: Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), Wise (https://brandsweets.com/colors/brands/wise-com), Snyk (https://brandsweets.com/colors/brands/snyk-io), Walgreens (https://brandsweets.com/colors/brands/walgreens-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #ff4b0a: 14 real palettes, including Strava's brand system and Soundcloud's brand system, as the accent. Seen in: Strava (https://brandsweets.com/colors/brands/strava-com), Soundcloud (https://brandsweets.com/colors/brands/soundcloud-com), PlanetScale (https://brandsweets.com/colors/brands/planetscale-com), Etsy (https://brandsweets.com/colors/brands/etsy-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #ff4b0a: 8 real palettes, including Heatwave and Readymag's brand system, as the accent. Seen in: Heatwave (https://brandsweets.com/palettes/warm#heatwave), Readymag (https://brandsweets.com/colors/brands/readymag-com), Figma (https://brandsweets.com/colors/brands/figma), Databricks (https://brandsweets.com/colors/brands/databricks-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 3.35:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #db3a00 (4.55:1); AA: background → #262626 (4.51:1); AAA: text → #a32c00 (7.2:1)
- On black (#000000): 6.26:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ff6229 (7.03:1)

## Brands using this color

- **HubSpot** — secondary #ff4800 (Δ 0.411) — https://brandsweets.com/colors/brands/hubspot-com
- **Together AI** — primary #fc4c02 (Δ 0.613) — https://brandsweets.com/colors/brands/together-ai
- **Tide** — accent #fb4c06 (Δ 0.762) — https://brandsweets.com/colors/brands/tide-com
- **Reddit** — primary #ff4500 (Δ 0.795) — https://brandsweets.com/colors/brands/reddit-com
- **Readymag** — accent #ff5000 (Δ 0.845) — https://brandsweets.com/colors/brands/readymag-com
- **Reddit** — secondary #fc4301 (Δ 1.351) — https://brandsweets.com/colors/brands/reddit-com
- **Prepare your taste buds...** — primary #fc5404 (Δ 1.416) — https://brandsweets.com/colors/brands/grubhub-com
- **Strava** — primary #fc5404 (Δ 1.416) — https://brandsweets.com/colors/brands/strava-com
- **Substack** — primary #fc5404 (Δ 1.416) — https://brandsweets.com/colors/brands/substack-com
- **Soundcloud** — secondary #ff5500 (Δ 1.618) — https://brandsweets.com/colors/brands/soundcloud-com
- **Intercom** — secondary #ff5600 (Δ 1.779) — https://brandsweets.com/colors/brands/intercom-com
- **Brex** — secondary #ff3d00 (Δ 1.802) — https://brandsweets.com/colors/brands/brex-com
- **Glossier** — secondary #f94200 (Δ 1.892) — https://brandsweets.com/colors/brands/glossier-com
- **Cursor** — primary #f54e00 (Δ 1.909) — https://brandsweets.com/colors/brands/cursor-com
- **Cursor** — secondary #f54e00 (Δ 1.909) — https://brandsweets.com/colors/brands/cursor-com
- **Tumblr** — accent #ff4930 (Δ 1.933) — https://brandsweets.com/colors/brands/tumblr-com

## Curated palettes containing it

- **Electric Lime** (neon, vivid, bold, light) — #c6ff00, #111111, #ff3d00, #ffffff — One neon on white with black type — lime-and-black is the neon that works in daylight; the orange is a second gear. — tool: https://brandsweets.com/palettes/new/c6ff00-111111-ff3d00-ffffff — collection: https://brandsweets.com/palettes/neon
- **Heatwave** (summer, warm, bold, vivid) — #ff4d00, #ffb800, #0091ff, #fff9f0, #231205 — Blaze orange and hot yellow with one cold blue — the high-noon palette; use the blue where the eye needs to rest. — tool: https://brandsweets.com/palettes/new/ff4d00-ffb800-0091ff-fff9f0-231205 — 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/ff4b0a-c4ab9c-62cbb4-2d291f-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: "#ff4b0a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.