# #183f09

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

## Values

- Hex: `#183f09`
- RGB: rgb(24, 63, 9)
- HSL: hsl(103, 75%, 14%)
- OKLCH: oklch(0.327 0.092 138.7)
- Relative luminance: 0.0377
- Nearest named color: Melancholia (#12390d, Δ 2.338) — https://brandsweets.com/colors/melancholia
- Moods: vivid, dark, luxury, bold
- Page: https://brandsweets.com/colors/183f09

## Tints & shades

- Tints (toward white): #26620e, #358a14, #43ae19, #53d61f, #6ae33b, #85e85e, #a4ee87, #bff3aa, #ddf9d2, #f8fef6
- Shades (toward black): #163a08, #153608, #133107, #112d06, #0f2806, #0e2405, #0c1f04, #0a1b04, #091603, #071203

## Harmonies

- Complementary: #2f093e
- Analogous: #333e09, #093e15
- Triadic: #09183e, #3e0918
- Split-complementary: #15093e, #3e0933
- Tetradic: #09333e, #2f093e, #3e1509

## Colors that go with #183f09

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

- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #183f09 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: MAC Cosmetics (https://brandsweets.com/colors/brands/maccosmetics-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), New Balance (https://brandsweets.com/colors/brands/newbalance-com). — https://brandsweets.com/colors/crimson
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #183f09 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Headspace (https://brandsweets.com/colors/brands/headspace-com), Rotten Tomatoes (https://brandsweets.com/colors/brands/rottentomatoes-com), Loom (https://brandsweets.com/colors/brands/loom-com), Disney (https://brandsweets.com/colors/brands/disney-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: analogous] — Sea Green is #183f09's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Mushroom (https://brandsweets.com/palettes/neutral#mushroom), Asana (https://brandsweets.com/colors/brands/asana-com), Wellness (https://brandsweets.com/palettes/warm#wellness), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/seagreen
- **Blue** #0000ff [pool] — 7 real palettes, including Instacart's brand system and Jeep's brand system put Blue beside #183f09, as the accent. Seen in: Instacart (https://brandsweets.com/colors/brands/instacart-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 5 real palettes, including Rain Garden and Garden Wedding put Blush Pink beside #183f09, as the accent. Seen in: Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Nursery (https://brandsweets.com/palettes/light#nursery), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/blush-pink
- **Copper** #b87333 [pool] — Designers have shipped Copper with #183f09: 7 real palettes, including Notion's brand system and Clean Beauty. Seen in: Notion (https://brandsweets.com/colors/brands/notion), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Bakery (https://brandsweets.com/palettes/warm#bakery), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #183f09 in 7 real palettes, including Undergrowth and Olive Grove, as the supporting colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal). — https://brandsweets.com/colors/darkolivegreen
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #183f09: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 11.97:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.75:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #348613 (4.57:1); AA: background → #a1a1a1 (4.63:1); AAA: text → #43ae19 (7.31:1); AAA: background → #c7c7c7 (7.08:1)

## 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/183f09-a6bea2-704edf-1f2d21-eff1e9?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: "#183f09" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.