# #a90f04

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

## Values

- Hex: `#a90f04`
- RGB: rgb(169, 15, 4)
- HSL: hsl(4, 95%, 34%)
- OKLCH: oklch(0.467 0.184 29.9)
- Relative luminance: 0.0879
- Nearest named color: All Systems Red (#b30103, Δ 2.018) — https://brandsweets.com/colors/all-systems-red
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/a90f04

## Tints & shades

- Tints (toward white): #c71205, #ea1506, #f92415, #fa4538, #fb6156, #fb7d74, #fc9d97, #fdb9b4, #fedad7, #fff6f5
- Shades (toward black): #9a0e04, #8b0d04, #7c0b03, #6d0a03, #5e0902, #500702, #410602, #320501, #230301, #140201

## Harmonies

- Complementary: #049ea9
- Analogous: #a9044c, #a96204
- Triadic: #04a90f, #0f04a9
- Split-complementary: #04a962, #044ca9
- Tetradic: #4ca904, #049ea9, #6204a9

## Colors that go with #a90f04

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #a90f04 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Bose (https://brandsweets.com/colors/brands/bose-com), Behance (https://brandsweets.com/colors/brands/behance-net), Coinbase (https://brandsweets.com/colors/brands/coinbase), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/royalblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #a90f04 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Saffron (https://brandsweets.com/palettes/warm#saffron), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #a90f04 in 4 real palettes, including Ember and Maple, as the accent. Seen in: Ember (https://brandsweets.com/palettes/bold#ember), Maple (https://brandsweets.com/palettes/warm#maple), Trailhead (https://brandsweets.com/palettes/warm#trailhead), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Crimson** #dc143c [pool] — Crimson is paired with #a90f04 in 8 real palettes, including State Farm's brand system and Wendy's's brand system, as the lead colour. Seen in: State Farm (https://brandsweets.com/colors/brands/statefarm-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com), Vodafone (https://brandsweets.com/colors/brands/vodafone-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #a90f04 in 4 real palettes, including Olive Grove and Cider, as the lead colour. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Cider (https://brandsweets.com/palettes/warm#cider), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #a90f04: 9 real palettes, including State Farm's brand system and Campbell's's brand system, as the accent. Seen in: State Farm (https://brandsweets.com/colors/brands/statefarm-com), Campbell's (https://brandsweets.com/colors/brands/campbells-com), Nissan (https://brandsweets.com/colors/brands/nissanusa-com), AT&T (https://brandsweets.com/colors/brands/att-com). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #a90f04 in 4 real palettes, including Fireside and Noir Beauty, as the accent. Seen in: Fireside (https://brandsweets.com/palettes/dark#fireside), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty), Harvest (https://brandsweets.com/palettes/warm#harvest), Candlelight (https://brandsweets.com/palettes/warm#candlelight). — https://brandsweets.com/colors/goldenrod
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #a90f04: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: IHG (https://brandsweets.com/colors/brands/ihg-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 7.62:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.76:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #ea1506 (4.61:1); AA: background → #c7c7c7 (4.51:1); AAA: text → #fb665b (7.15:1); AAA: background → #f7f7f7 (7.11:1)

## Brands using this color

- **Bose** — accent #ad0000 (Δ 0.906) — https://brandsweets.com/colors/brands/bose-com
- **Trader Joe's** — accent #af0006 (Δ 1.285) — https://brandsweets.com/colors/brands/traderjoes-com
- **State Farm** — secondary #a11b13 (Δ 1.681) — https://brandsweets.com/colors/brands/statefarm-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/a90f04-c4a39c-62cb9f-2d261f-f1e9ed?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: "#a90f04" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.