# #a5c819

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

## Values

- Hex: `#a5c819`
- RGB: rgb(165, 200, 25)
- HSL: hsl(72, 78%, 44%)
- OKLCH: oklch(0.779 0.183 121.7)
- Relative luminance: 0.4938
- Nearest named color: yellowgreen (#9acd32, Δ 1.671) — https://brandsweets.com/colors/yellowgreen
- Moods: vivid
- Page: https://brandsweets.com/colors/a5c819

## Tints & shades

- Tints (toward white): #b7de1b, #c2e633, #c9e949, #d1ec65, #d8ef7b, #def292, #e7f5ad, #edf8c4, #f6fbdf, #fcfef6
- Shades (toward black): #96b616, #87a314, #789112, #697f10, #5a6d0d, #4b5b0b, #3c4909, #2d3607, #1e2404, #0f1202

## Harmonies

- Complementary: #3c19c8
- Analogous: #c89319, #4dc819
- Triadic: #19a5c8, #c819a5
- Split-complementary: #194dc8, #9319c8
- Tetradic: #19c893, #3c19c8, #c8194d

## Colors that go with #a5c819

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 #a5c819 in 10 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 #a5c819 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 #a5c819, 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
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #a5c819: 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). — https://brandsweets.com/colors/charcoal
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #a5c819 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 #a5c819 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
- **Red** #ff0000 [pool] — Red is paired with #a5c819 in 3 real palettes, including Gatorade's brand system and Wise's brand system, as the supporting colour. Seen in: Gatorade (https://brandsweets.com/colors/brands/gatorade-com), Wise (https://brandsweets.com/colors/brands/wise-com), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/red
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #a5c819 in 3 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). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 1.93:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #697f10 (4.52:1); AA: background → #4a4a4a (4.59:1); AAA: text → #4f5f0c (7.06:1); AAA: background → #2e2e2e (7.03:1)
- On black (#000000): 10.88:1 — 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/a5c819-b5bea2-4e77df-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: "#a5c819" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.