# #21cd0e

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

## Values

- Hex: `#21cd0e`
- RGB: rgb(33, 205, 14)
- HSL: hsl(114, 87%, 43%)
- OKLCH: oklch(0.738 0.245 142)
- Relative luminance: 0.4402
- Nearest named color: Candy Green (#33cc00, Δ 0.559) — https://brandsweets.com/colors/candy-green
- Moods: vivid
- Page: https://brandsweets.com/colors/21cd0e

## Tints & shades

- Tints (toward white): #26ea10, #38f024, #52f240, #68f358, #82f575, #97f78d, #b1f9a9, #c7fbc1, #e1fdde, #f6fef5
- Shades (toward black): #1eba0d, #1ba70c, #18940a, #158109, #137208, #105f07, #0c4c05, #093904, #062603, #031301

## Harmonies

- Complementary: #ba0ecd
- Analogous: #81cd0e, #0ecd5b
- Triadic: #0e21cd, #cd0e21
- Split-complementary: #5b0ecd, #cd0e81
- Tetradic: #0e81cd, #ba0ecd, #cd5b0e

## Colors that go with #21cd0e

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 #21cd0e in 8 real palettes, including Obsidian's brand system and WhatsApp's brand system, as the text colour against it. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #21cd0e 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/violet
- **Hot Pink** #ff69b4 [harmony, pool: split] — Hot Pink is a split-complement of #21cd0e: 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
- **Blue** #0000ff [pool] — 3 real palettes, including Minecraft's brand system and Spotify's brand system put Blue beside #21cd0e, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Spotify (https://brandsweets.com/colors/brands/spotify), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #21cd0e — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. 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 #21cd0e 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
- **Light Coral** #f08080 [harmony, pool: triadic] — Light Coral completes a triad with #21cd0e — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/lightcoral
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #21cd0e: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 2.14:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #168609 (4.72:1); AA: background → #424242 (4.69:1); AAA: text → #106407 (7.37:1); AAA: background → #262626 (7.06:1)
- On black (#000000): 9.8:1 — 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/21cd0e-a2bea2-8a4edf-1f2d24-eef1e9?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: "#21cd0e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.