# #ac78d9

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

## Values

- Hex: `#ac78d9`
- RGB: rgb(172, 120, 217)
- HSL: hsl(272, 56%, 66%)
- OKLCH: oklch(0.664 0.148 307.6)
- Relative luminance: 0.2721
- Nearest named color: Lavender (#b56edc, Δ 2.706) — https://brandsweets.com/colors/lavender-2
- Moods: cool, modern
- Page: https://brandsweets.com/colors/ac78d9

## Tints & shades

- Tints (toward white): #b384dc, #ba90e0, #c4a0e4, #cbabe7, #d3b7eb, #dac3ee, #e2cff2, #ebdff6, #f3ebf9, #faf7fd
- Shades (toward black): #9d60d2, #8e48cb, #7c35bb, #6c2ea3, #5d278b, #4d2173, #3d1a5b, #2a1240, #1a0b28, #0b0410

## Harmonies

- Complementary: #a5d978
- Analogous: #7b78d9, #d978d6
- Triadic: #d9ac78, #78d9ac
- Split-complementary: #d6d978, #78d97b
- Tetradic: #d97b78, #a5d978, #78d6d9

## Colors that go with #ac78d9

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

- **Taupe** #483c32 [pool] — Taupe is paired with #ac78d9 in 4 real palettes, including Obsidian's brand system and Loom's brand system, as the text colour against it. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Loom (https://brandsweets.com/colors/brands/loom-com), Zed (https://brandsweets.com/colors/brands/zed-dev), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/taupe
- **Olive Drab** #6b8e23 [harmony: complementary] — Olive Drab sits directly opposite #ac78d9 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/olivedrab
- **Medium Sea Green** #3cb371 [harmony, pool: split] — Medium Sea Green is a split-complement of #ac78d9: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/mediumseagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #ac78d9 in 3 real palettes, including Mastodon hosted on mastodon.social's brand system and Blueprint, as the accent. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 3 real palettes, including Canva's brand system and Spotify's brand system put Blue beside #ac78d9, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #ac78d9: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #ac78d9 in 3 real palettes, including Loom's brand system and Sephora's brand system, as the lead colour. Seen in: Loom (https://brandsweets.com/colors/brands/loom-com), Sephora (https://brandsweets.com/colors/brands/sephora-com), Roblox (https://brandsweets.com/colors/brands/roblox-com). — https://brandsweets.com/colors/royalblue
- **Dark Goldenrod** #b8860b [harmony: split] — Dark Goldenrod is a split-complement of #ac78d9: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/darkgoldenrod

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

- On white (#ffffff): 3.26:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #9858d0 (4.52:1); AA: background → #262626 (4.64:1); AAA: text → #7732b3 (7.26:1)
- On black (#000000): 6.44:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b384dc (7.25:1)

## Fonts for this mood

- 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/ac78d9-b69cc4-c5cb62-2d1f2d-eae9f1?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: "#ac78d9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.