# #a100b3

A color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#a100b3`
- RGB: rgb(161, 0, 179)
- HSL: hsl(294, 100%, 35%)
- OKLCH: oklch(0.51 0.241 322.8)
- Relative luminance: 0.1083
- Nearest named color: Nebula (#a104c3, Δ 2.538) — https://brandsweets.com/colors/nebula
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/a100b3

## Tints & shades

- Tints (toward white): #bc00d1, #dc00f5, #e814ff, #eb33ff, #ee57ff, #f175ff, #f494ff, #f7b3ff, #fbd6ff, #fef5ff
- Shades (toward black): #9300a3, #850094, #770085, #6a0075, #5c0066, #490052, #3c0042, #2e0033, #200024, #120014

## Harmonies

- Complementary: #12b300
- Analogous: #4700b3, #b3006b
- Triadic: #b3a100, #00b3a1
- Split-complementary: #6bb300, #00b347
- Tetradic: #b34700, #12b300, #006bb3

## Colors that go with #a100b3

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

- **Denim** #1560bd [pool] — Designers have shipped Denim with #a100b3: 4 real palettes, including Peacock and Hasbro's brand system, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Slack (https://brandsweets.com/colors/brands/slack-com). — https://brandsweets.com/colors/denim
- **Forest Green** #228b22 [harmony: complementary] — Forest Green sits directly opposite #a100b3 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/forestgreen
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #a100b3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/teal
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #a100b3: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/charcoal
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #a100b3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Medium Violet Red** #c71585 [harmony: analogous] — Medium Violet Red is #a100b3's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. — https://brandsweets.com/colors/mediumvioletred
- **Coral** #ff7f50 [pool] — Designers have shipped Coral with #a100b3: Dusk Gradient, as the lead colour. Seen in: Dusk Gradient (https://brandsweets.com/palettes/dark#dusk-gradient). — https://brandsweets.com/colors/coral
- **Crimson** #dc143c [pool] — Crimson is paired with #a100b3 in Gemstone, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/crimson

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

- On white (#ffffff): 6.63:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #9700a8 (7.29:1)
- On black (#000000): 3.17:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #ca00e0 (4.59:1); AA: background → #d6d6d6 (4.56:1); AAA: text → #ed4dff (7.11:1)

## Curated palettes containing it

- **Peacock** (jewel-tones, vivid, cool, bold) — #0d9488, #1d4ed8, #a21caf, #ffffff, #0c1a2b — Teal, cobalt and magenta at full chroma on white — jewel tones in daylight; the trick is a near-black text with a blue cast. — tool: https://brandsweets.com/palettes/new/0d9488-1d4ed8-a21caf-ffffff-0c1a2b — collection: https://brandsweets.com/palettes/jewel-tones

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/a100b3-c19fc0-9fcb62-2d1f29-ede9f1?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: "#a100b3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.