# #458c21

A color — vivid. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#458c21`
- RGB: rgb(69, 140, 33)
- HSL: hsl(100, 62%, 34%)
- OKLCH: oklch(0.572 0.156 137.4)
- Relative luminance: 0.2013
- Nearest named color: Overgrown Mausoleum (#448833, Δ 2.117) — https://brandsweets.com/colors/overgrown-mausoleum
- Moods: vivid
- Page: https://brandsweets.com/colors/458c21

## Tints & shades

- Tints (toward white): #51a527, #5fc22e, #6ed13d, #84d85a, #96de73, #a9e48b, #beeba8, #d1f0c1, #e6f7de, #f9fdf7
- Shades (toward black): #3f801e, #39741b, #336718, #2d5b15, #264e12, #204210, #1a360d, #14290a, #0e1d07, #081104

## Harmonies

- Complementary: #69218c
- Analogous: #7b8c21, #218c33
- Triadic: #21458c, #8c2145
- Split-complementary: #33218c, #8c217b
- Tetradic: #217b8c, #69218c, #8c3321

## Colors that go with #458c21

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

- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #458c21: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Zendesk (https://brandsweets.com/colors/brands/zendesk-com), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #458c21 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com). — https://brandsweets.com/colors/crimson
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #458c21 — 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), Coinbase (https://brandsweets.com/colors/brands/coinbase), Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/royalblue
- **Dark Orchid** #9932cc [harmony, pool: complementary] — Dark Orchid sits directly opposite #458c21 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/darkorchid
- **Denim** #1560bd [pool] — Designers have shipped Denim with #458c21: 6 real palettes, including Xbox's brand system and Intel's brand system, as the supporting colour. Seen in: Xbox (https://brandsweets.com/colors/brands/xbox-com), Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/denim
- **Taupe** #483c32 [pool] — Taupe is paired with #458c21 in 8 real palettes, including Acer's brand system and Instacart's brand system, as that palette's text colour. Seen in: Acer (https://brandsweets.com/colors/brands/acer-com), Instacart (https://brandsweets.com/colors/brands/instacart-com), Subaru (https://brandsweets.com/colors/brands/subaru-com), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/taupe
- **Medium Violet Red** #c71585 [harmony, pool: split] — Medium Violet Red is a split-complement of #458c21: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Bun (https://brandsweets.com/colors/brands/bun-sh). — https://brandsweets.com/colors/mediumvioletred
- **Medium Slate Blue** #7b68ee [harmony, pool: split] — Medium Slate Blue is a split-complement of #458c21: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Clerk (https://brandsweets.com/colors/brands/clerk-com). — https://brandsweets.com/colors/mediumslateblue

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

- On white (#ffffff): 4.18:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #41841f (4.62:1); AA: background → #0f0f0f (4.59:1); AAA: text → #316317 (7.17:1)
- On black (#000000): 5.03:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #53a928 (7.07:1)

## Brands using this color

- **Shake Shack** — accent #418613 (Δ 1.918) — https://brandsweets.com/colors/brands/shakeshack-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/458c21-a8bea2-694edf-1f2d21-f0f1e9?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: "#458c21" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.