# #21fd96

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

## Values

- Hex: `#21fd96`
- RGB: rgb(33, 253, 150)
- HSL: hsl(152, 98%, 56%)
- OKLCH: oklch(0.875 0.211 155.1)
- Relative luminance: 0.7278
- Nearest named color: mediumspringgreen (#00fa9a, Δ 1.162) — https://brandsweets.com/colors/mediumspringgreen
- Moods: vivid
- Page: https://brandsweets.com/colors/21fd96

## Tints & shades

- Tints (toward white): #35fda0, #49fda9, #62fdb5, #77febf, #8bfec8, #9ffed2, #b3fedb, #cdfee7, #e1fff1, #f5fffa
- Shades (toward black): #08fd8a, #02e87d, #02ca6d, #02b15f, #029751, #017e44, #016536, #014726, #002d18, #00140b

## Harmonies

- Complementary: #fd2187
- Analogous: #21fd28, #21f5fd
- Triadic: #9621fd, #fd9621
- Split-complementary: #fd21f5, #fd2821
- Tetradic: #2821fd, #fd2187, #f5fd21

## Colors that go with #21fd96

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 #21fd96 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
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #21fd96: 3 real palettes, including Prime Video's brand system and Remix's brand system, as the supporting colour. Seen in: Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Remix (https://brandsweets.com/colors/brands/remix-run), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Light Coral** #f08080 [harmony: split] — Light Coral is a split-complement of #21fd96: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lightcoral
- **Plum** #dda0dd [harmony: split] — Plum is a split-complement of #21fd96: 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 text near-black for #21fd96: softer than #000 and cool enough to feel like part of the same palette. — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #21fd96 in two real palettes: Wise's brand system and Formula 1's brand system, as the accent. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Formula 1 (https://brandsweets.com/colors/brands/formula1-com). — https://brandsweets.com/colors/crimson
- **Red** #ff0000 [pool] — Red is paired with #21fd96 in two real palettes: Gatorade's brand system and Wise's brand system, as the supporting colour. Seen in: Gatorade (https://brandsweets.com/colors/brands/gatorade-com), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/red
- **Taupe** #483c32 [pool] — Taupe is paired with #21fd96 in two real palettes: 7-Eleven's brand system and Astro's brand system, as the lead colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 1.35:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #018849 (4.55:1); AA: background → #616161 (4.59:1); AAA: text → #016536 (7.2:1); AAA: background → #454545 (7.1:1)
- On black (#000000): 15.56:1 — 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/21fd96-a2beb4-d459ce-1f2d2d-e9f1ea?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: "#21fd96" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.