# #102d2a

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

## Values

- Hex: `#102d2a`
- RGB: rgb(16, 45, 42)
- HSL: hsl(174, 48%, 12%)
- OKLCH: oklch(0.274 0.035 186.3)
- Relative luminance: 0.0215
- Nearest named color: Black Box (#0f282f, Δ 2.342) — https://brandsweets.com/colors/black-box
- Moods: dark, luxury, bold
- Page: https://brandsweets.com/colors/102d2a

## Tints & shades

- Tints (toward white): #1c4f4a, #266d66, #328f86, #3daea2, #55c3b8, #77cfc6, #95dad3, #b7e6e1, #d5f0ee, #f7fcfc
- Shades (toward black): #0f2a27, #0d2623, #0d2623, #0c2220, #0b1e1c, #091a19, #081715, #081715, #071312, #050f0e

## Harmonies

- Complementary: #2d1013
- Analogous: #102d1c, #10222d
- Triadic: #2a102d, #2d2a10
- Split-complementary: #2d1022, #2d1c10
- Tetradic: #1c102d, #2d1013, #222d10

## Colors that go with #102d2a

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 #102d2a: softer than #000 and cool enough to feel like part of the same palette. Seen in: Boeing (https://brandsweets.com/colors/brands/boeing-com), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Squarespace (https://brandsweets.com/colors/brands/squarespace-com), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: complementary] — Crimson sits directly opposite #102d2a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Vodafone (https://brandsweets.com/colors/brands/vodafone-com), Svelte (https://brandsweets.com/colors/brands/svelte-dev), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), AliExpress (https://brandsweets.com/colors/brands/aliexpress-com). — https://brandsweets.com/colors/crimson
- **Rust** #b7410e [harmony, pool: split] — Rust is a split-complement of #102d2a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Harvest (https://brandsweets.com/palettes/warm#harvest), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Gallery (https://brandsweets.com/palettes/editorial#gallery). — https://brandsweets.com/colors/rust
- **Sea Green** #2e8b57 [harmony, pool: analogous] — Sea Green is #102d2a's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-com), Mushroom (https://brandsweets.com/palettes/neutral#mushroom), Wellness (https://brandsweets.com/palettes/warm#wellness), Asana (https://brandsweets.com/colors/brands/asana-com). — https://brandsweets.com/colors/seagreen
- **Sienna** #a0522d [harmony, pool: triadic] — Sienna completes a triad with #102d2a — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Harvest (https://brandsweets.com/palettes/warm#harvest). — https://brandsweets.com/colors/sienna
- **Teal** #008080 [harmony, pool: analogous] — Teal is #102d2a's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Alpine (https://brandsweets.com/palettes/cool#alpine), N26 (https://brandsweets.com/colors/brands/n26-com), Gusto (https://brandsweets.com/colors/brands/gusto-com). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #102d2a in 18 real palettes, including Beach Hut and McDonald's's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 24 real palettes, including Readymag's brand system and Headspace's brand system put Blue beside #102d2a, as the supporting colour. Seen in: Readymag (https://brandsweets.com/colors/brands/readymag-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), Rolex (https://brandsweets.com/colors/brands/rolex-com), Bumble (https://brandsweets.com/colors/brands/bumble-com). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 14.68:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.43:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2e847c (4.71:1); AA: background → #8f8f8f (4.54:1); AAA: text → #3aa69b (7.11:1); AAA: background → #b5b5b5 (7.16:1)

## 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/102d2a-a2bebe-d459a1-1f292d-e9f1ed?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: "#102d2a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.