# #13a021

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

## Values

- Hex: `#13a021`
- RGB: rgb(19, 160, 33)
- HSL: hsl(126, 79%, 35%)
- OKLCH: oklch(0.614 0.196 143.5)
- Relative luminance: 0.2539
- Nearest named color: Grass Is Greener (#3f9b0b, Δ 2.1) — https://brandsweets.com/colors/grass-is-greener
- Moods: vivid
- Page: https://brandsweets.com/colors/13a021

## Tints & shades

- Tints (toward white): #16bb26, #1adb2d, #2de640, #48ea59, #68ed76, #84f18f, #9ff4a8, #bbf7c1, #dafbde, #f6fef7
- Shades (toward black): #11921e, #10841b, #0e7718, #0c6916, #0b5b13, #09490f, #073b0c, #052e09, #042007, #021204

## Harmonies

- Complementary: #a01392
- Analogous: #4ba013, #13a067
- Triadic: #2113a0, #a02113
- Split-complementary: #6713a0, #a0134b
- Tetradic: #134ba0, #a01392, #a06713

## Colors that go with #13a021

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 #13a021: 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), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Asana (https://brandsweets.com/colors/brands/asana-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #13a021 in 4 real palettes, including DuckDuckGo's brand system and Coinbase's brand system, as the supporting colour. Seen in: DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #13a021: 5 real palettes, including Xbox's brand system and Intel's brand system, as the supporting colour. Seen in: Xbox (https://brandsweets.com/colors/brands/xbox-com), Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/denim
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #13a021 in 5 real palettes, including Console Light and Telehealth, as the lead colour. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Coinbase (https://brandsweets.com/colors/brands/coinbase), Xbox (https://brandsweets.com/colors/brands/xbox-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #13a021 in 5 real palettes, including Instacart's brand system and Acer's brand system, as the lead colour. Seen in: Instacart (https://brandsweets.com/colors/brands/instacart-com), Acer (https://brandsweets.com/colors/brands/acer-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/taupe
- **Medium Orchid** #ba55d3 [harmony: complementary] — Medium Orchid sits directly opposite #13a021 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/mediumorchid
- **Medium Slate Blue** #7b68ee [harmony, pool: split] — Medium Slate Blue is a split-complement of #13a021: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/mediumslateblue
- **Blue** #0000ff [pool] — 3 real palettes, including Instacart's brand system and Spotify's brand system put Blue beside #13a021, as the accent. Seen in: Instacart (https://brandsweets.com/colors/brands/instacart-com), Spotify (https://brandsweets.com/colors/brands/spotify), Kia (https://brandsweets.com/colors/brands/kia-com). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 3.46:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #10891c (4.55:1); AA: background → #212121 (4.66:1); AAA: text → #0c6415 (7.37:1)
- On black (#000000): 6.08:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #14ad24 (7.03:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/13a021-a2bea8-a74edf-1f2d27-ecf1e9?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: "#13a021" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.