# #003d21

A color — vivid, dark, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#003d21`
- RGB: rgb(0, 61, 33)
- HSL: hsl(152, 100%, 12%)
- OKLCH: oklch(0.317 0.076 156.3)
- Relative luminance: 0.0345
- Nearest named color: Queen of Trees (#1c401f, Δ 2.385) — https://brandsweets.com/colors/queen-of-trees
- Moods: vivid, dark, luxury, bold
- Page: https://brandsweets.com/colors/003d21

## Tints & shades

- Tints (toward white): #006b39, #00944f, #00c267, #00eb7d, #1aff94, #47ffa9, #70ffbc, #9effd2, #c7ffe5, #f5fffa
- Shades (toward black): #00381e, #00331b, #00331b, #002e18, #002916, #002413, #001f10, #001f10, #00190e, #00140b

## Harmonies

- Complementary: #3d001d
- Analogous: #003d02, #003b3d
- Triadic: #21003d, #3d2100
- Split-complementary: #3d003b, #3d0200
- Tetradic: #02003d, #3d001d, #3b3d00

## Colors that go with #003d21

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 text near-black for #003d21: softer than #000 and cool enough to feel like part of the same palette. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Microsoft (https://brandsweets.com/colors/brands/microsoft-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: split] — Crimson is a split-complement of #003d21: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Vodafone (https://brandsweets.com/colors/brands/vodafone-com), Svelte (https://brandsweets.com/colors/brands/svelte-dev). — https://brandsweets.com/colors/crimson
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #003d21 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Headspace (https://brandsweets.com/colors/brands/headspace-com), Disney (https://brandsweets.com/colors/brands/disney-com), Rotten Tomatoes (https://brandsweets.com/colors/brands/rottentomatoes-com), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/royalblue
- **Teal** #008080 [harmony, pool: analogous] — Teal is #003d21's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: N26 (https://brandsweets.com/colors/brands/n26-com), Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Gusto (https://brandsweets.com/colors/brands/gusto-com), Alpine (https://brandsweets.com/palettes/cool#alpine). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #003d21 in 6 real palettes, including McDonald's's brand system and Beach Hut, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 9 real palettes, including Instacart's brand system and Jeep's brand system put Blue beside #003d21, as the accent. Seen in: Instacart (https://brandsweets.com/colors/brands/instacart-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 5 real palettes, including Rain Garden and Garden Wedding put Blush Pink beside #003d21, as the accent. Seen in: Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Blush (https://brandsweets.com/palettes/light#blush), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono). — https://brandsweets.com/colors/blush-pink
- **Burlywood** #deb887 [pool] — Burlywood is paired with #003d21 in 4 real palettes, including Chalkboard and Polaroid, as the lead colour. Seen in: Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Polaroid (https://brandsweets.com/palettes/light#polaroid), Coastal (https://brandsweets.com/palettes/cool#coastal), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/burlywood

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

- On white (#ffffff): 12.43:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.69:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #008a49 (4.73:1); AA: background → #9c9c9c (4.53:1); AAA: text → #00ad5c (7.13:1); AAA: background → #c4c4c4 (7.13:1)

## Brands using this color

- **Chime** — primary #0d4029 (Δ 1.79) — https://brandsweets.com/colors/brands/chime-com

## Fonts for this mood

- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/003d21-a2beb4-d459ce-1f2d2d-e9f1ea?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: "#003d21" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.