# #adc819

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

## Values

- Hex: `#adc819`
- RGB: rgb(173, 200, 25)
- HSL: hsl(69, 78%, 44%)
- OKLCH: oklch(0.785 0.18 119.2)
- Relative luminance: 0.5026
- Nearest named color: yellowgreen (#9acd32, Δ 2.393) — https://brandsweets.com/colors/yellowgreen
- Moods: vivid
- Page: https://brandsweets.com/colors/adc819

## Tints & shades

- Tints (toward white): #c1de1b, #cbe633, #d1e949, #d8ec65, #ddef7b, #e3f292, #eaf5ad, #f0f8c4, #f7fbdf, #fdfef6
- Shades (toward black): #9eb616, #8ea314, #7e9112, #6e7f10, #5f6d0d, #4f5b0b, #3f4909, #2f3607, #202404, #101202

## Harmonies

- Complementary: #3319c8
- Analogous: #c88a19, #56c819
- Triadic: #19adc8, #c819ad
- Split-complementary: #1956c8, #8a19c8
- Tetradic: #19c88a, #3319c8, #c81956

## Colors that go with #adc819

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

- **Cornflower Blue** #6495ed [harmony, pool: split] — Cornflower Blue is a split-complement of #adc819: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/cornflowerblue
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #adc819 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), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), 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 #adc819 — 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), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #adc819: 4 real palettes, including Wikipedia's brand system and Walmart's brand system, as the supporting colour. Seen in: Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Walmart (https://brandsweets.com/colors/brands/walmart-com), Open House (https://brandsweets.com/palettes/clean#open-house), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/denim
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #adc819 in 4 real palettes, including Disney's brand system and Brilliant's brand system, as the lead colour. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Walmart (https://brandsweets.com/colors/brands/walmart-com), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/royalblue
- **Plum** #dda0dd [harmony: complementary] — Plum sits directly opposite #adc819 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
- **Violet** #ee82ee [harmony, pool: split] — Violet is a split-complement of #adc819: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Gumroad (https://brandsweets.com/colors/brands/gumroad-com). — https://brandsweets.com/colors/violet
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #adc819: 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). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 1.9:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6a7b0f (4.72:1); AA: background → #4a4a4a (4.66:1); AAA: text → #4f5b0b (7.41:1); AAA: background → #2e2e2e (7.15:1)
- On black (#000000): 11.05:1 — 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/adc819-b7bea2-4e7edf-252d1f-f1eee9?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: "#adc819" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.