# #21452b

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

## Values

- Hex: `#21452b`
- RGB: rgb(33, 69, 43)
- HSL: hsl(137, 35%, 20%)
- OKLCH: oklch(0.355 0.062 151.2)
- Relative luminance: 0.0475
- Nearest named color: Zucchini (#17462e, Δ 0.891) — https://brandsweets.com/colors/zucchini
- Moods: dark, luxury, bold
- Page: https://brandsweets.com/colors/21452b

## Tints & shades

- Tints (toward white): #2e603d, #3c7c4e, #47945d, #56ae6f, #72bb87, #8dc89e, #a9d6b6, #c1e1ca, #ddeee2, #f8fcf9
- Shades (toward black): #1e3e27, #1c3b25, #193420, #17301e, #14291a, #112216, #0f1f13, #0c180f, #0a150d, #070e09

## Harmonies

- Complementary: #45213b
- Analogous: #294521, #21453d
- Triadic: #2b2145, #452b21
- Split-complementary: #3d2145, #452129
- Tetradic: #212945, #45213b, #453d21

## Colors that go with #21452b

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

- **Dark Olive Green** #556b2f [harmony, pool: analogous] — Dark Olive Green is #21452b's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/darkolivegreen
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #21452b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Docker (https://brandsweets.com/colors/brands/docker-com), Zoom (https://brandsweets.com/colors/brands/zoom-us), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/royalblue
- **Teal** #008080 [harmony, pool: analogous] — Teal is #21452b'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), Gusto (https://brandsweets.com/colors/brands/gusto-com), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Mid-Century (https://brandsweets.com/palettes/warm#mid-century). — https://brandsweets.com/colors/teal
- **Blue** #0000ff [pool] — 8 real palettes, including Jeep's brand system and Instacart's brand system put Blue beside #21452b, as the accent. Seen in: Jeep (https://brandsweets.com/colors/brands/jeep-com), Instacart (https://brandsweets.com/colors/brands/instacart-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Garden Wedding and Rain Garden put Blush Pink beside #21452b, as the supporting colour. Seen in: Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Nursery (https://brandsweets.com/palettes/light#nursery), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/blush-pink
- **Burlywood** #deb887 [pool] — Burlywood is paired with #21452b in 4 real palettes, including Polaroid and Chalkboard, as the accent. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Coastal (https://brandsweets.com/palettes/cool#coastal), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/burlywood
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #21452b: 4 real palettes, including Paper & Pine and Clean Beauty, as the supporting colour. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Coastal (https://brandsweets.com/palettes/cool#coastal), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/cadetblue
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #21452b: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke

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

- On white (#ffffff): 10.76:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.95:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3f8352 (4.58:1); AA: background → #a8a8a8 (4.53:1); AAA: text → #51a96a (7.23:1); AAA: background → #d1d1d1 (7.05:1)

## Curated palettes containing it

- **Canopy** (forest, cool, muted, calm) — #2d6a4f, #95d5b2, #d8a48f, #f6faf7, #1b4332 — Deep green and new-leaf mint with a bark-pink accent — a forest that reads calm rather than camo. — tool: https://brandsweets.com/palettes/new/2d6a4f-95d5b2-d8a48f-f6faf7-1b4332 — collection: https://brandsweets.com/palettes/forest

## 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/21452b-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: "#21452b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.