# #104c21

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

## Values

- Hex: `#104c21`
- RGB: rgb(16, 76, 33)
- HSL: hsl(137, 65%, 18%)
- OKLCH: oklch(0.368 0.093 148.6)
- Relative luminance: 0.0539
- Nearest named color: Mysterious Mixture (#0f521a, Δ 2.395) — https://brandsweets.com/colors/mysterious-mixture
- Moods: vivid, dark, luxury, bold
- Page: https://brandsweets.com/colors/104c21

## Tints & shades

- Tints (toward white): #176d30, #1e8f3e, #25b14d, #2dd25c, #4eda76, #70e190, #92e8aa, #b3efc4, #d5f6de, #f7fdf8
- Shades (toward black): #0f481f, #0d3f1b, #0c3b1a, #0b3216, #0a2e14, #092a12, #07220f, #061d0d, #041509, #041107

## Harmonies

- Complementary: #4c103b
- Analogous: #1d4c10, #104c3f
- Triadic: #21104c, #4c2110
- Split-complementary: #3f104c, #4c101d
- Tetradic: #101d4c, #4c103b, #4c3f10

## Colors that go with #104c21

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

- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #104c21 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Zoom (https://brandsweets.com/colors/brands/zoom-us), Docker (https://brandsweets.com/colors/brands/docker-com), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/royalblue
- **Blue** #0000ff [pool] — 7 real palettes, including Rolex's brand system and Instacart's brand system put Blue beside #104c21, as the accent. Seen in: Rolex (https://brandsweets.com/colors/brands/rolex-com), Instacart (https://brandsweets.com/colors/brands/instacart-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #104c21: 4 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), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Bakery (https://brandsweets.com/palettes/warm#bakery). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #104c21 — 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), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #104c21: 4 real palettes, including Lamborghini's brand system and Vimeo's brand system, as the supporting colour. Seen in: Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #104c21: 4 real palettes, including Hinge's brand system and Jack Daniel's's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/denim
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #104c21 in 7 real palettes, including Chime's brand system and CircleCI's brand system, as the supporting colour. Seen in: Chime (https://brandsweets.com/colors/brands/chime-com), CircleCI (https://brandsweets.com/colors/brands/circleci-com), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Neon (https://brandsweets.com/colors/brands/neon-tech). — https://brandsweets.com/colors/emerald-green
- **Cream** #fffdd0 [role] — Cream is the surface #104c21 wants: a warm off-white that shares its undertone, so #104c21 reads softer on it than on pure white. — https://brandsweets.com/colors/cream

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

- On white (#ffffff): 10.11:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.08:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #1d873b (4.58:1); AA: background → #adadad (4.5:1); AAA: text → #25ad4b (7.16:1); AAA: background → #d9d9d9 (7.16:1)

## 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/104c21-a2bead-bb59d4-1f2d29-ebf1e9?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: "#104c21" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.