# #e9ca01

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

## Values

- Hex: `#e9ca01`
- RGB: rgb(233, 202, 1)
- HSL: hsl(52, 99%, 46%)
- OKLCH: oklch(0.84 0.173 97.9)
- Relative luminance: 0.5957
- Nearest named color: Aurora (#ebd147, Δ 2.71) — https://brandsweets.com/colors/aurora
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/e9ca01

## Tints & shades

- Tints (toward white): #fedd06, #fee020, #fee43e, #fee858, #feeb71, #feef8a, #fff2a4, #fff7c2, #fffadb, #fffef5
- Shades (toward black): #d5b901, #c1a701, #a79101, #938001, #7f6e01, #6b5c01, #564b00, #3d3500, #292300, #141200

## Harmonies

- Complementary: #0120e9
- Analogous: #e95601, #94e901
- Triadic: #01e9ca, #ca01e9
- Split-complementary: #0194e9, #5601e9
- Tetradic: #01e956, #0120e9, #e90194

## Colors that go with #e9ca01

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 #e9ca01: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Lido (https://brandsweets.com/palettes/vivid#lido), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Disney (https://brandsweets.com/colors/brands/disney-com). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [harmony, pool: complementary] — Cornflower Blue sits directly opposite #e9ca01 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), NBA (https://brandsweets.com/colors/brands/nba-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [harmony, pool: split] — Deep Sky Blue is a split-complement of #e9ca01: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai). — https://brandsweets.com/colors/deepskyblue
- **Crimson** #dc143c [pool] — Crimson is paired with #e9ca01 in 8 real palettes, including Tabloid and McDonald's's brand system, as the lead colour. Seen in: Tabloid (https://brandsweets.com/palettes/editorial#tabloid), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Lay's (https://brandsweets.com/colors/brands/lays-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #e9ca01: 10 real palettes, including Walmart's brand system and Wikipedia's brand system, as the lead colour. Seen in: Walmart (https://brandsweets.com/colors/brands/walmart-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #e9ca01: 5 real palettes, including Google's brand system and Miro's brand system, as the lead colour. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Miro (https://brandsweets.com/colors/brands/miro-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Star Wars (https://brandsweets.com/colors/brands/starwars-com). — https://brandsweets.com/colors/dodgerblue
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #e9ca01 in 4 real palettes, including Olympics's brand system and Heineken's brand system, as the accent. Seen in: Olympics (https://brandsweets.com/colors/brands/olympics-com), Heineken (https://brandsweets.com/colors/brands/heineken-com), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth). — https://brandsweets.com/colors/mediumseagreen
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Southwest Airlines's brand system and FIFA's brand system put Midnight Blue beside #e9ca01, as the supporting colour. Seen in: Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com), FIFA (https://brandsweets.com/colors/brands/fifa-com), Open House (https://brandsweets.com/palettes/clean#open-house), American Eagle (https://brandsweets.com/colors/brands/ae-com). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 1.63:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #847201 (4.79:1); AA: background → #545454 (4.66:1); AAA: text → #655801 (7.12:1); AAA: background → #383838 (7.21:1)
- On black (#000000): 12.91:1 — AA pass, AA-large pass, AAA pass

## 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/e9ca01-c4c39c-4ea7df-292d1f-f1ece9?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: "#e9ca01" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.