# #a5c828

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

## Values

- Hex: `#a5c828`
- RGB: rgb(165, 200, 40)
- HSL: hsl(73, 67%, 47%)
- OKLCH: oklch(0.78 0.178 122)
- Relative luminance: 0.4946
- Nearest named color: yellowgreen (#9acd32, Δ 1.66) — https://brandsweets.com/colors/yellowgreen
- Moods: vivid
- Page: https://brandsweets.com/colors/a5c828

## Tints & shades

- Tints (toward white): #b3d733, #bbdb48, #c3df5d, #cbe372, #d4e88c, #dceca1, #e4f1b7, #ecf5cc, #f4f9e1, #fcfdf6
- Shades (toward black): #97b724, #86a220, #78911d, #6a8019, #5b6f16, #4a5912, #3c480e, #2e370b, #1c2207, #0e1103

## Harmonies

- Complementary: #4a28c8
- Analogous: #c89b28, #55c828
- Triadic: #28a5c8, #c828a5
- Split-complementary: #2855c8, #9b28c8
- Tetradic: #28c89b, #4a28c8, #c82855

## Colors that go with #a5c828

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 #a5c828: 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). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #a5c828 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), Docker (https://brandsweets.com/colors/brands/docker-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #a5c828 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 #a5c828 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 Binance's brand system put Blue beside #a5c828, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Binance (https://brandsweets.com/colors/brands/binance-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #a5c828 in 3 real palettes, including Forest Floor and Undergrowth, as the supporting colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com). — https://brandsweets.com/colors/darkolivegreen
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #a5c828 in 3 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). — https://brandsweets.com/colors/darkorange
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #a5c828 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Remix (https://brandsweets.com/colors/brands/remix-run). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 1.93:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #667b18 (4.76:1); AA: background → #4a4a4a (4.6:1); AAA: text → #4d5e13 (7.18:1); AAA: background → #2e2e2e (7.04:1)
- On black (#000000): 10.89:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Steam** — accent #a1cd44 (Δ 1.72) — 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/a5c828-b5bea2-4e75df-242d1f-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: "#a5c828" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.