# #042f28

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

## Values

- Hex: `#042f28`
- RGB: rgb(4, 47, 40)
- HSL: hsl(170, 84%, 10%)
- OKLCH: oklch(0.275 0.047 179)
- Relative luminance: 0.0221
- Nearest named color: Pitch-Black Forests (#003322, Δ 2.113) — https://brandsweets.com/colors/pitch-black-forests
- Moods: vivid, dark, luxury, bold
- Page: https://brandsweets.com/colors/042f28

## Tints & shades

- Tints (toward white): #08594c, #0b836f, #0fa98f, #12d3b3, #27eccb, #51f0d5, #7cf4e0, #a1f7e9, #cbfbf3, #f6fefd
- Shades (toward black): #042a24, #042a24, #032620, #032620, #03211c, #021c18, #021c18, #021714, #021714, #021310

## Harmonies

- Complementary: #2f040b
- Analogous: #042f12, #04212f
- Triadic: #28042f, #2f2804
- Split-complementary: #2f0421, #2f1204
- Tetradic: #12042f, #2f040b, #212f04

## Colors that go with #042f28

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 #042f28 — 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 #042f28: softer than #000 and cool enough to feel like part of the same palette. Seen in: Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Boeing (https://brandsweets.com/colors/brands/boeing-com), Chobani (https://brandsweets.com/colors/brands/chobani-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: split] — Crimson is a split-complement of #042f28: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Vodafone (https://brandsweets.com/colors/brands/vodafone-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Svelte (https://brandsweets.com/colors/brands/svelte-dev), AliExpress (https://brandsweets.com/colors/brands/aliexpress-com). — https://brandsweets.com/colors/crimson
- **Sea Green** #2e8b57 [harmony, pool: analogous] — Sea Green is #042f28'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 #042f28 — 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 #042f28'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), Alpine (https://brandsweets.com/palettes/cool#alpine), 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 #042f28 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 #042f28 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

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

- On white (#ffffff): 14.56:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.44:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0c8873 (4.78:1); AA: background → #8f8f8f (4.5:1); AAA: text → #0fa98f (7.09:1); AAA: background → #b5b5b5 (7.1:1)

## 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/042f28-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: "#042f28" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.