# #0cc309

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

## Values

- Hex: `#0cc309`
- RGB: rgb(12, 195, 9)
- HSL: hsl(119, 91%, 40%)
- OKLCH: oklch(0.709 0.239 142.5)
- Relative luminance: 0.3913
- Nearest named color: Crude Banana (#21c40e, Δ 0.585) — https://brandsweets.com/colors/crude-banana
- Moods: vivid
- Page: https://brandsweets.com/colors/0cc309

## Tints & shades

- Tints (toward white): #0ee00b, #19f415, #31f52e, #4ef74b, #6af868, #87f985, #a4fba2, #bcfcbb, #d9fdd8, #f5fff5
- Shades (toward black): #0baf08, #0aa108, #098d07, #087f06, #076b05, #065804, #054903, #033603, #022702, #011301

## Harmonies

- Complementary: #c009c3
- Analogous: #69c309, #09c363
- Triadic: #090cc3, #c3090c
- Split-complementary: #6309c3, #c30969
- Tetradic: #0969c3, #c009c3, #c36309

## Colors that go with #0cc309

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 Spotify's brand system and Minecraft's brand system put Blue beside #0cc309, as the accent. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Unity (https://brandsweets.com/colors/brands/unity-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #0cc309 in 4 real palettes, including Brilliant's brand system and Console Light, as the accent. Seen in: Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #0cc309 in 8 real palettes, including Obsidian's brand system and Minecraft's brand system, as the text colour against it. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Meadow (https://brandsweets.com/palettes/light#meadow), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com). — https://brandsweets.com/colors/taupe
- **Hot Pink** #ff69b4 [harmony, pool: split] — Hot Pink is a split-complement of #0cc309: 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
- **Orchid** #da70d6 [harmony: complementary] — Orchid sits directly opposite #0cc309 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
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #0cc309: 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). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #0cc309 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/cornflowerblue
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #0cc309 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): 2.38:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #098806 (4.63:1); AA: background → #3d3d3d (4.57:1); AAA: text → #066605 (7.22:1); AAA: background → #1c1c1c (7.16:1)
- On black (#000000): 8.83:1 — 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/0cc309-a2bea5-964edf-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: "#0cc309" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.