# #a5cf3a

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

## Values

- Hex: `#a5cf3a`
- RGB: rgb(165, 207, 58)
- HSL: hsl(77, 61%, 52%)
- OKLCH: oklch(0.797 0.177 124.2)
- Relative luminance: 0.5293
- Nearest named color: yellowgreen (#9acd32, Δ 1.623) — https://brandsweets.com/colors/yellowgreen
- Moods: vivid
- Page: https://brandsweets.com/colors/a5cf3a

## Tints & shades

- Tints (toward white): #aed44e, #b6d85f, #bfdd73, #c7e184, #d0e698, #d9ebad, #e1efbd, #eaf4d2, #f2f8e2, #fbfdf7
- Shades (toward black): #98c12f, #87ac2a, #7b9c26, #6a8721, #5a731c, #4a5e17, #3a4a12, #2d390e, #1d2509, #0d1004

## Harmonies

- Complementary: #643acf
- Analogous: #cfaf3a, #5acf3a
- Triadic: #3aa5cf, #cf3aa5
- Split-complementary: #3a5acf, #af3acf
- Tetradic: #3acfaf, #643acf, #cf3a5a

## Colors that go with #a5cf3a

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 #a5cf3a: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Coastal (https://brandsweets.com/palettes/cool#coastal), Docker (https://brandsweets.com/colors/brands/docker-com), Zendesk (https://brandsweets.com/colors/brands/zendesk-com). — https://brandsweets.com/colors/charcoal
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #a5cf3a in 4 real palettes, including Citrus Grove and Learning App, as the lead colour. Seen in: Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Learning App (https://brandsweets.com/palettes/playful#learning-app), Playground (https://brandsweets.com/palettes/bold#playground), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/darkorange
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #a5cf3a in 4 real palettes, including Brilliant's brand system and Disney's brand system, as the accent. Seen in: Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Disney (https://brandsweets.com/colors/brands/disney-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #a5cf3a in 12 real palettes, including Citrus Grove and Acer's brand system, as the text colour against it. Seen in: Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Acer (https://brandsweets.com/colors/brands/acer-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/taupe
- **Plum** #dda0dd [harmony: complementary] — Plum sits directly opposite #a5cf3a 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/plum
- **Blue** #0000ff [pool] — 3 real palettes, including Minecraft's brand system and MongoDB's brand system put Blue beside #a5cf3a, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Binance (https://brandsweets.com/colors/brands/binance-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #a5cf3a in 3 real palettes, including Wise's brand system and Tabloid, as the accent. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Tabloid (https://brandsweets.com/palettes/editorial#tabloid), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #a5cf3a in 3 real palettes, including 7-Eleven's brand system and Forest Floor, as the supporting colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth). — https://brandsweets.com/colors/darkolivegreen

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

- On white (#ffffff): 1.81:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #647f1f (4.57:1); AA: background → #4f4f4f (4.52:1); AAA: text → #4a5e17 (7.23:1); AAA: background → #303030 (7.28:1)
- On black (#000000): 11.59:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Steam** — accent #a1cd44 (Δ 1.04) — https://brandsweets.com/colors/brands/steampowered-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/a5cf3a-b3bea2-4e6bdf-232d1f-f1efe9?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: "#a5cf3a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.