# #152d21

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

## Values

- Hex: `#152d21`
- RGB: rgb(21, 45, 33)
- HSL: hsl(150, 36%, 13%)
- OKLCH: oklch(0.273 0.038 160.7)
- Relative luminance: 0.0215
- Nearest named color: Pitch-Black Forests (#003322, Δ 2.512) — https://brandsweets.com/colors/pitch-black-forests
- Moods: dark, luxury, bold
- Page: https://brandsweets.com/colors/152d21

## Tints & shades

- Tints (toward white): #244c38, #31684d, #408763, #4da378, #66b78f, #82c4a3, #a1d3ba, #bde0cf, #dcefe6, #f8fcfa
- Shades (toward black): #142a1f, #12261c, #10231a, #0f1f17, #0f1f17, #0d1c14, #0b1812, #0a150f, #08110d, #070e0a

## Harmonies

- Complementary: #2d1521
- Analogous: #152d15, #152d2d
- Triadic: #21152d, #2d2115
- Split-complementary: #2d152d, #2d1515
- Tetradic: #15152d, #2d1521, #2d2d15

## Colors that go with #152d21

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 #152d21: softer than #000 and cool enough to feel like part of the same palette. Seen in: 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), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: analogous] — Sea Green is #152d21'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 #152d21 — 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), Harvest (https://brandsweets.com/palettes/warm#harvest), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke). — https://brandsweets.com/colors/sienna
- **Slate Blue** #6a5acd [harmony, pool: triadic] — Slate Blue completes a triad with #152d21 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Superhuman (https://brandsweets.com/colors/brands/superhuman-com), GitLab (https://brandsweets.com/colors/brands/gitlab), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/slateblue
- **Teal** #008080 [harmony, pool: analogous] — Teal is #152d21'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), N26 (https://brandsweets.com/colors/brands/n26-com), 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 #152d21 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 #152d21 in 18 real palettes, including McDonald's's brand system and Wikipedia's brand system, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 23 real palettes, including Readymag's brand system and Headspace's brand system put Blue beside #152d21, 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), Instacart (https://brandsweets.com/colors/brands/instacart-com). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 14.69:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.43:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3e8461 (4.68:1); AA: background → #8f8f8f (4.54:1); AAA: text → #4ea67a (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
- **Meadow** (spring, light, friendly, vivid) — #6cbf4b, #f9d56e, #f18fb2, #fbfef7, #1f2d1a — Fresh green, buttercup and a wildflower pink — spring at full saturation; the leaf-dark text does the anchoring. — tool: https://brandsweets.com/palettes/new/6cbf4b-f9d56e-f18fb2-fbfef7-1f2d1a — collection: https://brandsweets.com/palettes/spring
- **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/152d21-a2beb3-d459d2-1f2d2c-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: "#152d21" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.