# #102d28

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

## Values

- Hex: `#102d28`
- RGB: rgb(16, 45, 40)
- HSL: hsl(170, 48%, 12%)
- OKLCH: oklch(0.273 0.036 180.6)
- Relative luminance: 0.0214
- Nearest named color: Black Box (#0f282f, Δ 2.608) — https://brandsweets.com/colors/black-box
- Moods: dark, luxury, bold
- Page: https://brandsweets.com/colors/102d28

## Tints & shades

- Tints (toward white): #1c4f47, #266d62, #328f80, #3dae9b, #55c3b1, #77cfc1, #95dace, #b7e6de, #d5f0ec, #f7fcfc
- Shades (toward black): #0f2a25, #0d2622, #0d2622, #0c221e, #0b1e1b, #091a18, #081714, #081714, #071311, #050f0d

## Harmonies

- Complementary: #2d1015
- Analogous: #102d1a, #10232d
- Triadic: #28102d, #2d2810
- Split-complementary: #2d1023, #2d1a10
- Tetradic: #1a102d, #2d1015, #232d10

## Colors that go with #102d28

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

- **Blue Violet** #8a2be2 [harmony, pool: triadic] — Blue Violet completes a triad with #102d28 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: ClickUp (https://brandsweets.com/colors/brands/clickup-com), Yahoo (https://brandsweets.com/colors/brands/yahoo-com), Prepare your taste buds... (https://brandsweets.com/colors/brands/grubhub-com), Klarna US (https://brandsweets.com/colors/brands/klarna-com). — https://brandsweets.com/colors/blueviolet
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #102d28: 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), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Squarespace (https://brandsweets.com/colors/brands/squarespace-com). — https://brandsweets.com/colors/charcoal
- **Rust** #b7410e [harmony, pool: split] — Rust is a split-complement of #102d28: 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 #102d28'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 #102d28 — 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 #102d28'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
- **Medium Violet Red** #c71585 [harmony, pool: complementary] — Medium Violet Red sits directly opposite #102d28 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: T-Mobile (https://brandsweets.com/colors/brands/t-mobile-com). — https://brandsweets.com/colors/mediumvioletred
- **Amber** #ffbf00 [pool] — Amber is paired with #102d28 in 18 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), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber

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

- On white (#ffffff): 14.71:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.43:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2e8476 (4.68:1); AA: background → #8f8f8f (4.55:1); AAA: text → #3aa694 (7.06:1); AAA: background → #b3b3b3 (7.01:1)

## Curated palettes containing it

- **Chalkboard** (dark, muted, warm) — #e8c170, #a8b5a0, #f28e6b, #1f2a24, #f1ede4 — Slate green with chalk cream and a coral — nostalgic without being twee. — tool: https://brandsweets.com/palettes/new/e8c170-a8b5a0-f28e6b-1f2a24-f1ede4 — collection: https://brandsweets.com/palettes/dark
- **Undergrowth** (forest, dark, muted, earthy) — #7fb069, #5a6650, #e6aa68, #1b2a1f, #e9efe6 — Fern and lichen with a fungus orange on a fir-black — the forest floor at dusk, as a dark theme. — tool: https://brandsweets.com/palettes/new/7fb069-5a6650-e6aa68-1b2a1f-e9efe6 — 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/102d28-a2bebd-d459a9-1f292d-e9f1ec?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: "#102d28" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.