# #0dfd21

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

## Values

- Hex: `#0dfd21`
- RGB: rgb(13, 253, 33)
- HSL: hsl(125, 98%, 52%)
- OKLCH: oklch(0.862 0.287 142.9)
- Relative luminance: 0.7045
- Nearest named color: Cyber Neon Green (#00ff26, Δ 0.514) — https://brandsweets.com/colors/cyber-neon-green
- Moods: vivid
- Page: https://brandsweets.com/colors/0dfd21

## Tints & shades

- Tints (toward white): #26fd38, #3afd4a, #53fd61, #68fd74, #81fe8b, #9afea2, #aefeb5, #c7fecc, #dcffdf, #f5fff6
- Shades (toward black): #02ed16, #02d414, #02c012, #02a70f, #018d0d, #01740b, #015b08, #014707, #002d04, #001402

## Harmonies

- Complementary: #fd0de9
- Analogous: #71fd0d, #0dfd99
- Triadic: #210dfd, #fd210d
- Split-complementary: #990dfd, #fd0d71
- Tetradic: #0d71fd, #fd0de9, #fd990d

## Colors that go with #0dfd21

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

- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #0dfd21 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: split] — Hot Pink is a split-complement of #0dfd21: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/hotpink
- **Plum** #dda0dd [harmony: split] — Plum is a split-complement of #0dfd21: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/plum
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #0dfd21: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Salmon** #fa8072 [harmony: triadic] — Salmon completes a triad with #0dfd21 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/salmon
- **Cornflower Blue** #6495ed [harmony: triadic] — Cornflower Blue completes a triad with #0dfd21 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/cornflowerblue
- **Medium Aquamarine** #66cdaa [harmony: analogous] — Medium Aquamarine is #0dfd21's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. — https://brandsweets.com/colors/mediumaquamarine
- **Blue** #0000ff [pool] — MongoDB's brand system puts Blue beside #0dfd21, as the accent. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 1.39:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #01880d (4.64:1); AA: background → #5e5e5e (4.66:1); AAA: text → #016509 (7.33:1); AAA: background → #424242 (7.22:1)
- On black (#000000): 15.09:1 — AA pass, AA-large pass, AAA pass

## Curated palettes containing it

- **Laser** (neon, vivid, dark, technical) — #39ff14, #bf00ff, #00e5ff, #07070d, #eefaf0 — Laser green, violet and cyan — the synthwave/gaming set; keep the type near-white and let one neon own each screen. — tool: https://brandsweets.com/palettes/new/39ff14-bf00ff-00e5ff-07070d-eefaf0 — collection: https://brandsweets.com/palettes/neon

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/0dfd21-a2bea7-a54edf-1f2d26-ecf1e9?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: "#0dfd21" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.