# #663f0f

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

## Values

- Hex: `#663f0f`
- RGB: rgb(102, 63, 15)
- HSL: hsl(33, 74%, 23%)
- OKLCH: oklch(0.405 0.081 66.4)
- Relative luminance: 0.0641
- Nearest named color: Brown (#653700, Δ 2.138) — https://brandsweets.com/colors/brown-2
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/663f0f

## Tints & shades

- Tints (toward white): #8a5515, #a96819, #cc7e1e, #e0902e, #e5a352, #eab371, #efc695, #f4d7b4, #f9ead7, #fefaf6
- Shades (toward black): #5d3a0e, #54340d, #4b2f0b, #43290a, #3e2609, #352108, #2c1b07, #231605, #1b1004, #120b03

## Harmonies

- Complementary: #0f3666
- Analogous: #66140f, #62660f
- Triadic: #0f663f, #3f0f66
- Split-complementary: #0f6266, #140f66
- Tetradic: #0f6614, #0f3666, #660f62

## Colors that go with #663f0f

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

- **Copper** #b87333 [pool] — Designers have shipped Copper with #663f0f: 4 real palettes, including Bakery and Bramble, as the accent. Seen in: Bakery (https://brandsweets.com/palettes/warm#bakery), Bramble (https://brandsweets.com/palettes/muted#bramble), Notion (https://brandsweets.com/colors/brands/notion), Desert Road (https://brandsweets.com/palettes/warm#desert-road). — https://brandsweets.com/colors/copper
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #663f0f in 4 real palettes, including Bookshop and Darkroom, as the accent. Seen in: Bookshop (https://brandsweets.com/palettes/editorial#bookshop), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/hunter-green
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #663f0f: 8 real palettes, including Darkroom and Stone, as the supporting colour. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), Stone (https://brandsweets.com/palettes/neutral#stone), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Homestead (https://brandsweets.com/palettes/warm#homestead). — https://brandsweets.com/colors/sage-green
- **Wheat** #f5deb3 [pool] — Designers have shipped Wheat with #663f0f: 4 real palettes, including Candlelight and Oatmeal, as the accent. Seen in: Candlelight (https://brandsweets.com/palettes/warm#candlelight), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Resort (https://brandsweets.com/palettes/light#resort), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch). — https://brandsweets.com/colors/wheat
- **Steel Blue** #4682b4 [harmony: complementary] — Steel Blue sits directly opposite #663f0f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #663f0f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Saffron (https://brandsweets.com/palettes/warm#saffron), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/teal
- **Royal Blue** #4169e1 [harmony, pool: split] — Royal Blue is a split-complement of #663f0f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light). — https://brandsweets.com/colors/royalblue
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #663f0f: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 9.2:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.28:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #a96819 (4.68:1); AA: background → #b8b8b8 (4.64:1); AAA: text → #d58320 (7.1:1); AAA: background → #e3e3e3 (7.17:1)

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- playful: https://brandsweets.com/fonts/mood/playful
- bold: https://brandsweets.com/fonts/mood/bold
- luxury: https://brandsweets.com/fonts/mood/luxury

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/663f0f-c4b79c-62c4cb-2d2d1f-f1eae9?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: "#663f0f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.