# #ffa31a

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

## Values

- Hex: `#ffa31a`
- RGB: rgb(255, 163, 26)
- HSL: hsl(36, 100%, 55%)
- OKLCH: oklch(0.79 0.168 68.5)
- Relative luminance: 0.4753
- Nearest named color: orange (#ffa500, Δ 0.794) — https://brandsweets.com/colors/orange
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ffa31a

## Tints & shades

- Tints (toward white): #ffab2e, #ffb647, #ffbe5c, #ffc670, #ffd08a, #ffd89e, #ffe0b3, #ffe9c7, #fff3e0, #fffbf5
- Shades (toward black): #ff9900, #e68a00, #cc7a00, #b36b00, #995c00, #7a4900, #613a00, #472b00, #2e1c00, #140c00

## Harmonies

- Complementary: #1a75ff
- Analogous: #ff301a, #e8ff1a
- Triadic: #1affa3, #a31aff
- Split-complementary: #1ae8ff, #301aff
- Tetradic: #1aff30, #1a75ff, #ff1ae8

## Colors that go with #ffa31a

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 #ffa31a: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Amazon (https://brandsweets.com/colors/brands/amazon-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [harmony, pool: split] — Cornflower Blue is a split-complement of #ffa31a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Webflow (https://brandsweets.com/colors/brands/webflow-com), 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: complementary] — Deep Sky Blue sits directly opposite #ffa31a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Salesforce (https://brandsweets.com/colors/brands/salesforce-com). — https://brandsweets.com/colors/deepskyblue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #ffa31a: 4 real palettes, including Open House and Coastal, as the supporting colour. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Coastal (https://brandsweets.com/palettes/cool#coastal), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/cadetblue
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Forest Floor and Midnight Luxe put Champagne beside #ffa31a, as that palette's text colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke). — https://brandsweets.com/colors/champagne
- **Crimson** #dc143c [pool] — Crimson is paired with #ffa31a in 8 real palettes, including Tequila Sunrise and Retro Pop, as the lead colour. Seen in: Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Burger King (https://brandsweets.com/colors/brands/bk-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #ffa31a: 8 real palettes, including Gopro's brand system and Campus, as the lead colour. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Campus (https://brandsweets.com/palettes/friendly#campus), Amazon (https://brandsweets.com/colors/brands/amazon-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #ffa31a: 5 real palettes, including PostHog's brand system and Playground, as the lead colour. Seen in: PostHog (https://brandsweets.com/colors/brands/posthog-com), Playground (https://brandsweets.com/palettes/bold#playground), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 2:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #a86500 (4.64:1); AA: background → #474747 (4.65:1); AAA: text → #804d00 (7.05:1); AAA: background → #2b2b2b (7.08:1)
- On black (#000000): 10.51:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Rippling** — primary #ffa81d (Δ 1.153) — https://brandsweets.com/colors/brands/rippling-com
- **Rippling** — accent #ffa81d (Δ 1.153) — https://brandsweets.com/colors/brands/rippling-com
- **PostHog** — accent #f7a501 (Δ 1.601) — https://brandsweets.com/colors/brands/posthog-com
- **Rivian** — secondary #ffaa00 (Δ 1.871) — https://brandsweets.com/colors/brands/rivian-com

## Curated palettes containing it

- **Tequila Sunrise** (sunset, vivid, bold, warm) — #e63946, #ff9f1c, #ffd60a, #fffaf3, #2a1a0e — Red through orange to yellow — the poured-drink gradient as flat tokens; use it left-to-right, never all at once. — tool: https://brandsweets.com/palettes/new/e63946-ff9f1c-ffd60a-fffaf3-2a1a0e — collection: https://brandsweets.com/palettes/sunset

## 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/ffa31a-c4b99c-62bfcb-2d2d1f-f1eae9?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: "#ffa31a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.