# #045a01

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

## Values

- Hex: `#045a01`
- RGB: rgb(4, 90, 1)
- HSL: hsl(118, 98%, 18%)
- OKLCH: oklch(0.406 0.136 142.3)
- Relative luminance: 0.0734
- Nearest named color: Duck Hunt (#005800, Δ 0.701) — https://brandsweets.com/colors/duck-hunt
- Moods: vivid, dark, luxury, bold
- Page: https://brandsweets.com/colors/045a01

## Tints & shades

- Tints (toward white): #068301, #07ac02, #09d402, #0bfc03, #32fd2b, #59fd53, #80fe7c, #a7fea4, #cefecd, #f5fff5
- Shades (toward black): #045601, #034c01, #034701, #033d01, #023801, #023201, #022800, #022300, #011900, #011400

## Harmonies

- Complementary: #58015b
- Analogous: #315b01, #015b2b
- Triadic: #01045b, #5b0104
- Split-complementary: #2b015b, #5b0131
- Tetradic: #01315b, #58015b, #5b2b01

## Colors that go with #045a01

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

- **Taupe** #483c32 [pool] — Taupe is paired with #045a01 in 4 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), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com). — https://brandsweets.com/colors/taupe
- **Dark Orchid** #9932cc [harmony: complementary] — Dark Orchid sits directly opposite #045a01 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
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #045a01: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #045a01 in 3 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). — https://brandsweets.com/colors/emerald-green
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #045a01 — 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
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #045a01 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Xbox (https://brandsweets.com/colors/brands/xbox-com). — https://brandsweets.com/colors/royalblue
- **Medium Violet Red** #c71585 [harmony: split] — Medium Violet Red is a split-complement of #045a01: 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 #045a01: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/blueviolet

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

- On white (#ffffff): 8.51:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.47:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #068801 (4.53:1); AA: background → #bdbdbd (4.53:1); AAA: text → #08b102 (7.3:1); AAA: background → #ebebeb (7.14:1)

## Brands using this color

- **CircleCI** — primary #005700 (Δ 1.025) — https://brandsweets.com/colors/brands/circleci-com
- **CircleCI** — accent #005700 (Δ 1.025) — https://brandsweets.com/colors/brands/circleci-com
- **MAC Cosmetics** — accent #005600 (Δ 1.353) — https://brandsweets.com/colors/brands/maccosmetics-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/045a01-a2bea4-944edf-1f2d25-edf1e9?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: "#045a01" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.