# #4ac309

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

## Values

- Hex: `#4ac309`
- RGB: rgb(74, 195, 9)
- HSL: hsl(99, 91%, 40%)
- OKLCH: oklch(0.72 0.224 138.9)
- Relative luminance: 0.4051
- Nearest named color: Crude Banana (#21c40e, Δ 1.823) — https://brandsweets.com/colors/crude-banana
- Moods: vivid
- Page: https://brandsweets.com/colors/4ac309

## Tints & shades

- Tints (toward white): #55e00b, #63f415, #73f52e, #87f74b, #9af868, #aef985, #c1fba2, #d2fcbb, #e5fdd8, #f9fff5
- Shades (toward black): #43af08, #3da108, #368d07, #307f06, #296b05, #215804, #1c4903, #143603, #0f2702, #071301

## Harmonies

- Complementary: #8209c3
- Analogous: #a7c309, #09c325
- Triadic: #094ac3, #c3094a
- Split-complementary: #2509c3, #c309a7
- Tetradic: #09a7c3, #8209c3, #c32509

## Colors that go with #4ac309

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 Minecraft's brand system and Spotify's brand system put Blue beside #4ac309, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Spotify (https://brandsweets.com/colors/brands/spotify), Unity (https://brandsweets.com/colors/brands/unity-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #4ac309: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #4ac309 in 5 real palettes, including Brilliant's brand system and MongoDB's brand system, as the accent. Seen in: Brilliant (https://brandsweets.com/colors/brands/brilliant-org), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #4ac309 in 9 real palettes, including Minecraft's brand system and Obsidian's brand system, as the lead colour. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Meadow (https://brandsweets.com/palettes/light#meadow), Acer (https://brandsweets.com/colors/brands/acer-com). — https://brandsweets.com/colors/taupe
- **Orchid** #da70d6 [harmony: complementary] — Orchid sits directly opposite #4ac309 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/orchid
- **Hot Pink** #ff69b4 [harmony, pool: split] — Hot Pink is a split-complement of #4ac309: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/hotpink
- **Cornflower Blue** #6495ed [harmony, pool: split] — Cornflower Blue is a split-complement of #4ac309: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/cornflowerblue
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #4ac309 in 3 real palettes, including Learning App and Playground, as the accent. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Playground (https://brandsweets.com/palettes/bold#playground), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove). — https://brandsweets.com/colors/darkorange

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

- On white (#ffffff): 2.31:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #328406 (4.73:1); AA: background → #3d3d3d (4.71:1); AAA: text → #276605 (7.03:1); AAA: background → #1f1f1f (7.14:1)
- On black (#000000): 9.1:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/4ac309-a8bea2-664edf-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: "#4ac309" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.