# #019d03

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

## Values

- Hex: `#019d03`
- RGB: rgb(1, 157, 3)
- HSL: hsl(121, 99%, 31%)
- OKLCH: oklch(0.603 0.204 142.6)
- Relative luminance: 0.2413
- Nearest named color: Herbalist’s Garden (#119900, Δ 1.145) — https://brandsweets.com/colors/herbalists-garden
- Moods: vivid
- Page: https://brandsweets.com/colors/019d03

## Tints & shades

- Tints (toward white): #01c104, #01df05, #06fe0a, #2afe2d, #4dfe50, #6cfe6e, #8ffe91, #b3ffb4, #d1ffd2, #f5fff5
- Shades (toward black): #018e03, #018403, #017503, #016502, #005b02, #004c02, #003d01, #002e01, #002401, #001400

## Harmonies

- Complementary: #9d019b
- Analogous: #4c9d01, #019d52
- Triadic: #03019d, #9d0301
- Split-complementary: #52019d, #9d014c
- Tetradic: #014c9d, #9d019b, #9d5201

## Colors that go with #019d03

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

- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #019d03 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Xbox (https://brandsweets.com/colors/brands/xbox-com), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/royalblue
- **Medium Orchid** #ba55d3 [harmony: complementary] — Medium Orchid sits directly opposite #019d03 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 Violet Red** #c71585 [harmony, pool: split] — Medium Violet Red is a split-complement of #019d03: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Bun (https://brandsweets.com/colors/brands/bun-sh). — https://brandsweets.com/colors/mediumvioletred
- **Blue** #0000ff [pool] — 3 real palettes, including Instacart's brand system and Spotify's brand system put Blue beside #019d03, 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
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #019d03: 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). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #019d03 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/crimson
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #019d03: 3 real palettes, including Olympics's brand system and Lemon Squeezy's brand system, as the lead colour. Seen in: Olympics (https://brandsweets.com/colors/brands/olympics-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/steelblue
- **Medium Slate Blue** #7b68ee [harmony: split] — Medium Slate Blue is a split-complement of #019d03: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/mediumslateblue

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

- On white (#ffffff): 3.6:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #018903 (4.58:1); AA: background → #1f1f1f (4.57:1); AAA: text → #016502 (7.33:1)
- On black (#000000): 5.83:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #01b204 (7.37:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/019d03-a2bea6-9b4edf-1f2d26-edf1e9?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: "#019d03" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.