# #155403

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

## Values

- Hex: `#155403`
- RGB: rgb(21, 84, 3)
- HSL: hsl(107, 93%, 17%)
- OKLCH: oklch(0.391 0.124 140.3)
- Relative luminance: 0.0651
- Nearest named color: Donegal Green (#115500, Δ 0.456) — https://brandsweets.com/colors/donegal-green
- Moods: vivid, dark, luxury, bold
- Page: https://brandsweets.com/colors/155403

## Tints & shades

- Tints (toward white): #1e7b04, #28a206, #31ca07, #3bf109, #5bf830, #7bf958, #9afa7f, #b9fca6, #d8fdce, #f7fff5
- Shades (toward black): #134f03, #114502, #104002, #0e3b02, #0d3602, #0b2c02, #0a2701, #082201, #061901, #051401

## Harmonies

- Complementary: #420354
- Analogous: #3d5403, #03541a
- Triadic: #031554, #540315
- Split-complementary: #1a0354, #54033d
- Tetradic: #033d54, #420354, #541a03

## Colors that go with #155403

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

- **Blue** #0000ff [pool] — 4 real palettes, including Rolex's brand system and Warp's brand system put Blue beside #155403, as the accent. Seen in: Rolex (https://brandsweets.com/colors/brands/rolex-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Instacart (https://brandsweets.com/colors/brands/instacart-com), Jeep (https://brandsweets.com/colors/brands/jeep-com). — https://brandsweets.com/colors/blue
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #155403 in 4 real palettes, including CircleCI's brand system and Neon's brand system, as the supporting colour. Seen in: CircleCI (https://brandsweets.com/colors/brands/circleci-com), Neon (https://brandsweets.com/colors/brands/neon-tech), Chime (https://brandsweets.com/colors/brands/chime-com), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com). — https://brandsweets.com/colors/emerald-green
- **Taupe** #483c32 [pool] — Taupe is paired with #155403 in 5 real palettes, including Pine & Birch and Squarespace's brand system, as that palette's text colour. Seen in: Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Squarespace (https://brandsweets.com/colors/brands/squarespace-com), Bookshop (https://brandsweets.com/palettes/editorial#bookshop), Chobani (https://brandsweets.com/colors/brands/chobani-com). — https://brandsweets.com/colors/taupe
- **Dark Orchid** #9932cc [harmony: complementary] — Dark Orchid sits directly opposite #155403 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/darkorchid
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #155403 — 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). — https://brandsweets.com/colors/crimson
- **Medium Violet Red** #c71585 [harmony: split] — Medium Violet Red is a split-complement of #155403: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/mediumvioletred
- **Blue Violet** #8a2be2 [harmony: split] — Blue Violet is a split-complement of #155403: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/blueviolet
- **Cream** #fffdd0 [role] — Cream is the surface #155403 wants: a warm off-white that shares its undertone, so #155403 reads softer on it than on pure white. — https://brandsweets.com/colors/cream

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

- On white (#ffffff): 9.13:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.3:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #228a05 (4.71:1); AA: background → #b8b8b8 (4.6:1); AAA: text → #2aac06 (7:1); AAA: background → #e3e3e3 (7.11:1)

## Brands using this color

- **MAC Cosmetics** — accent #005600 (Δ 1.083) — https://brandsweets.com/colors/brands/maccosmetics-com
- **CircleCI** — primary #005700 (Δ 1.265) — https://brandsweets.com/colors/brands/circleci-com
- **CircleCI** — accent #005700 (Δ 1.265) — https://brandsweets.com/colors/brands/circleci-com

## 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/155403-a5bea2-7a4edf-1f2d22-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: "#155403" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.