# #ac78b5

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

## Values

- Hex: `#ac78b5`
- RGB: rgb(172, 120, 181)
- HSL: hsl(291, 29%, 59%)
- OKLCH: oklch(0.647 0.106 321.5)
- Relative luminance: 0.2554
- Nearest named color: Berries Galore (#ab7cb4, Δ 1.068) — https://brandsweets.com/colors/berries-galore
- Moods: cool, muted
- Page: https://brandsweets.com/colors/ac78b5

## Tints & shades

- Tints (toward white): #b485bc, #bc92c3, #c4a0ca, #ccadd2, #d4bad9, #dac4de, #e3d1e6, #ebdeed, #f3ebf4, #fbf8fb
- Shades (toward black): #a268ac, #93579e, #844e8d, #72437a, #623a69, #502f56, #402645, #2e1b31, #1f1221, #0c070d

## Harmonies

- Complementary: #81b578
- Analogous: #8d78b5, #b578a0
- Triadic: #b5ac78, #78b5ac
- Split-complementary: #a0b578, #78b58d
- Tetradic: #b58d78, #81b578, #78a0b5

## Colors that go with #ac78b5

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 text near-black for #ac78b5: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com), PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment (https://brandsweets.com/colors/brands/playstation-com). — https://brandsweets.com/colors/charcoal
- **Taupe** #483c32 [pool] — Taupe is paired with #ac78b5 in 5 real palettes, including Dusk and Obsidian's brand system, as the text colour against it. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Typewriter (https://brandsweets.com/palettes/editorial#typewriter), Loom (https://brandsweets.com/colors/brands/loom-com). — https://brandsweets.com/colors/taupe
- **Medium Sea Green** #3cb371 [harmony: complementary] — Medium Sea Green sits directly opposite #ac78b5 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/mediumseagreen
- **Copper** #b87333 [harmony, pool: triadic] — Copper completes a triad with #ac78b5 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Atelier (https://brandsweets.com/palettes/elegant#atelier). — https://brandsweets.com/colors/copper
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #ac78b5 in 3 real palettes, including Ledger Dark and Noir Beauty, as the lead colour. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/goldenrod
- **Cadet Blue** #5f9ea0 [harmony: split] — Cadet Blue is a split-complement of #ac78b5: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/cadetblue
- **Amber** #ffbf00 [pool] — Amber is paired with #ac78b5 in two real palettes: Blueprint and Mastodon hosted on mastodon.social's brand system, as the accent. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/amber
- **Dark Goldenrod** #b8860b [harmony: split] — Dark Goldenrod is a split-complement of #ac78b5: 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): 3.44:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #9b5ea6 (4.62:1); AA: background → #242424 (4.51:1); AAA: text → #75457d (7.23:1)
- On black (#000000): 6.11:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b485bc (7.02:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/ac78b5-bf9fc1-a4cb62-2d1f29-ece9f1?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: "#ac78b5" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.