# #f37439

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

## Values

- Hex: `#f37439`
- RGB: rgb(243, 116, 57)
- HSL: hsl(19, 89%, 59%)
- OKLCH: oklch(0.7 0.172 43.4)
- Relative luminance: 0.3184
- Nearest named color: Apocalyptic Orange (#f4711e, Δ 1.546) — https://brandsweets.com/colors/apocalyptic-orange
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/f37439

## Tints & shades

- Tints (toward white): #f5824d, #f68f60, #f79d73, #f8aa87, #f9b89a, #fac2a8, #fbd0bc, #fcddcf, #fdebe2, #fef8f5
- Shades (toward black): #f26321, #e7520d, #cf4a0c, #b2400a, #9a3709, #7d2d07, #652406, #481a04, #301103, #130701

## Harmonies

- Complementary: #39b9f3
- Analogous: #f3395c, #f3d139
- Triadic: #39f374, #7439f3
- Split-complementary: #39f3d1, #395cf3
- Tetradic: #5cf339, #39b9f3, #d139f3

## Colors that go with #f37439

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 #f37439: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Hermès (https://brandsweets.com/colors/brands/hermes-com), Harley-Davidson (https://brandsweets.com/colors/brands/harley-davidson-com), Harbour (https://brandsweets.com/palettes/cool#harbour), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com). — https://brandsweets.com/colors/charcoal
- **Light Sea Green** #20b2aa [harmony, pool: complementary] — Light Sea Green sits directly opposite #f37439 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 #f37439 in 6 real palettes, including Maple and Ember, as the accent. Seen in: Maple (https://brandsweets.com/palettes/warm#maple), Ember (https://brandsweets.com/palettes/bold#ember), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 5 real palettes, including Sketch's brand system and Readymag's brand system put Blue beside #f37439, as the accent. Seen in: Sketch (https://brandsweets.com/colors/brands/sketch-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Monzo (https://brandsweets.com/colors/brands/monzo-com), Glossier (https://brandsweets.com/colors/brands/glossier-com). — https://brandsweets.com/colors/blue
- **Burlywood** #deb887 [pool] — Burlywood is paired with #f37439 in 4 real palettes, including Kiln and Chalkboard, as the accent. Seen in: Kiln (https://brandsweets.com/palettes/dark#kiln), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), 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 #f37439: 5 real palettes, including Alpine and Paper & Pine, as the supporting colour. Seen in: Alpine (https://brandsweets.com/palettes/cool#alpine), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Dusk (https://brandsweets.com/palettes/cool#dusk), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/cadetblue
- **Cornflower Blue** #6495ed [harmony, pool: split] — Cornflower Blue is a split-complement of #f37439: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Roblox (https://brandsweets.com/colors/brands/roblox-com), Webflow (https://brandsweets.com/colors/brands/webflow-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #f37439 in 7 real palettes, including Burger King's brand system and Target : Expect More. Pay Less.'s brand system, as the lead colour. Seen in: Burger King (https://brandsweets.com/colors/brands/bk-com), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise). — https://brandsweets.com/colors/crimson

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

- On white (#ffffff): 2.85:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #cf4a0c (4.53:1); AA: background → #303030 (4.63:1); AAA: text → #9a3709 (7.18:1); AAA: background → #080808 (7.03:1)
- On black (#000000): 7.37:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Hermès** — primary #f37021 (Δ 1.477) — https://brandsweets.com/colors/brands/hermes-com
- **GitLab** — primary #fc6d26 (Δ 1.949) — https://brandsweets.com/colors/brands/gitlab
- **Postman** — primary #fc6c34 (Δ 1.994) — https://brandsweets.com/colors/brands/postman-com

## 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/f37439-c4ad9c-62cbb9-2d2a1f-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: "#f37439" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.