# #13aa3e

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

## Values

- Hex: `#13aa3e`
- RGB: rgb(19, 170, 62)
- HSL: hsl(137, 80%, 37%)
- OKLCH: oklch(0.644 0.189 146.6)
- Relative luminance: 0.2924
- Nearest named color: Fennel Fiasco (#00aa44, Δ 0.563) — https://brandsweets.com/colors/fennel-fiasco
- Moods: vivid
- Page: https://brandsweets.com/colors/13aa3e

## Tints & shades

- Tints (toward white): #16c548, #19e152, #30e864, #4ceb79, #6cef91, #88f2a6, #a3f5ba, #bff8cf, #dafbe4, #f6fef8
- Shades (toward black): #119c39, #0f8a32, #0e7c2d, #0c6e28, #0b6023, #094e1c, #074017, #063212, #04200c, #021207

## Harmonies

- Complementary: #aa137f
- Analogous: #34aa13, #13aa89
- Triadic: #3e13aa, #aa3e13
- Split-complementary: #8913aa, #aa1334
- Tetradic: #1334aa, #aa137f, #aa8913

## Colors that go with #13aa3e

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

- **Blue** #0000ff [pool] — 5 real palettes, including Spotify's brand system and Unity's brand system put Blue beside #13aa3e, as the accent. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Unity (https://brandsweets.com/colors/brands/unity-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Instacart (https://brandsweets.com/colors/brands/instacart-com). — https://brandsweets.com/colors/blue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #13aa3e in 4 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), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #13aa3e in 8 real palettes, including Obsidian's brand system and Meadow, as the text colour against it. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Meadow (https://brandsweets.com/palettes/light#meadow), Chime (https://brandsweets.com/colors/brands/chime-com), Acer (https://brandsweets.com/colors/brands/acer-com). — https://brandsweets.com/colors/taupe
- **Medium Orchid** #ba55d3 [harmony: complementary] — Medium Orchid sits directly opposite #13aa3e 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 Purple** #9370db [harmony, pool: split] — Medium Purple is a split-complement of #13aa3e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/mediumpurple
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #13aa3e: 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). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #13aa3e — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/cornflowerblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #13aa3e: 3 real palettes, including Playground and Spline's brand system, as the supporting colour. Seen in: Playground (https://brandsweets.com/palettes/bold#playground), Spline (https://brandsweets.com/colors/brands/spline-design), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 3.07:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #0f8530 (4.75:1); AA: background → #2b2b2b (4.62:1); AAA: text → #0b6525 (7.24:1)
- On black (#000000): 6.85:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #13ae3f (7.15:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/13aa3e-a2bead-bb59d4-1f2d29-ebf1e9?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: "#13aa3e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.