# #acf538

A color — vivid. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#acf538`
- RGB: rgb(172, 245, 56)
- HSL: hsl(83, 90%, 59%)
- OKLCH: oklch(0.89 0.219 129.2)
- Relative luminance: 0.7436
- Nearest named color: Chartreuse (#c1f80a, Δ 2.691) — https://brandsweets.com/colors/chartreuse-2
- Moods: vivid
- Page: https://brandsweets.com/colors/acf538

## Tints & shades

- Tints (toward white): #b4f64c, #bdf75f, #c5f872, #cdf986, #d5fa99, #dbfaa8, #e3fbbb, #ebfccf, #f3fde2, #fbfef5
- Shades (toward black): #a2f320, #94e90c, #85d00b, #72b309, #639b08, #507e07, #416605, #2e4904, #1f3003, #0c1301

## Harmonies

- Complementary: #8038f5
- Analogous: #f5df38, #4ef538
- Triadic: #38acf5, #f538ac
- Split-complementary: #384ef5, #df38f5
- Tetradic: #38f5df, #8038f5, #f5384e

## Colors that go with #acf538

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

- **Violet** #ee82ee [harmony, pool: complementary] — Violet sits directly opposite #acf538 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Gumroad (https://brandsweets.com/colors/brands/gumroad-com). — https://brandsweets.com/colors/violet
- **Gold** #ffd700 [pool] — Gold shows up next to #acf538 in 4 real palettes, including Ikea's brand system and Paddle's brand system, as the supporting colour. Seen in: Ikea (https://brandsweets.com/colors/brands/ikea-com), Paddle (https://brandsweets.com/colors/brands/paddle-com), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Lay's (https://brandsweets.com/colors/brands/lays-com). — https://brandsweets.com/colors/gold
- **Red** #ff0000 [pool] — Red is paired with #acf538 in 4 real palettes, including Wise's brand system and Gatorade's brand system, as the lead colour. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Gatorade (https://brandsweets.com/colors/brands/gatorade-com), Heineken (https://brandsweets.com/colors/brands/heineken-com), Paddle (https://brandsweets.com/colors/brands/paddle-com). — https://brandsweets.com/colors/red
- **Blue** #0000ff [pool] — 3 real palettes, including Robinhood's brand system and MongoDB's brand system put Blue beside #acf538, as the supporting colour. Seen in: Robinhood (https://brandsweets.com/colors/brands/robinhood-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Snapchat (https://brandsweets.com/colors/brands/snapchat-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #acf538: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Zendesk (https://brandsweets.com/colors/brands/zendesk-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #acf538 in 3 real palettes, including Wise's brand system and Ferrari's brand system, as the accent. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Ferrari (https://brandsweets.com/colors/brands/ferrari-com), Lay's (https://brandsweets.com/colors/brands/lays-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #acf538 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Remix (https://brandsweets.com/colors/brands/remix-run), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #acf538: 3 real palettes, including Star Wars's brand system and JetBrains's brand system, as the supporting colour. Seen in: Star Wars (https://brandsweets.com/colors/brands/starwars-com), JetBrains (https://brandsweets.com/colors/brands/jetbrains-com), Miro (https://brandsweets.com/colors/brands/miro-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 1.32:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #538307 (4.55:1); AA: background → #636363 (4.54:1); AAA: text → #3e6105 (7.2:1); AAA: background → #474747 (7.02:1)
- On black (#000000): 15.87:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/acf538-b0bea2-4e5ddf-222d1f-f1f0e9?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: "#acf538" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.