# #19fa91

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

## Values

- Hex: `#19fa91`
- RGB: rgb(25, 250, 145)
- HSL: hsl(152, 96%, 54%)
- OKLCH: oklch(0.866 0.213 154.6)
- Relative luminance: 0.7062
- Nearest named color: mediumspringgreen (#00fa9a, Δ 1.045) — https://brandsweets.com/colors/mediumspringgreen
- Moods: vivid
- Page: https://brandsweets.com/colors/19fa91

## Tints & shades

- Tints (toward white): #2dfb9b, #46fba7, #5afcb0, #73fcbc, #87fdc6, #9bfdcf, #b4fddb, #c8fee5, #e1fef1, #f5fffa
- Shades (toward black): #05f585, #04dc77, #04c36a, #03aa5c, #03914f, #027841, #025f34, #014626, #012d18, #00140b

## Harmonies

- Complementary: #fa1982
- Analogous: #19fa21, #19f3fa
- Triadic: #9119fa, #fa9119
- Split-complementary: #fa19f3, #fa2119
- Tetradic: #2119fa, #fa1982, #f3fa19

## Colors that go with #19fa91

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 #19fa91 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
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #19fa91: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #19fa91: 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 #19fa91: 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 #19fa91: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/plum
- **Yellow Green** #9acd32 [harmony, pool: analogous] — Yellow Green is #19fa91's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Monster Energy (https://brandsweets.com/colors/brands/monsterenergy-com). — https://brandsweets.com/colors/yellowgreen
- **Crimson** #dc143c [pool] — Crimson is paired with #19fa91 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 #19fa91 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

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

- On white (#ffffff): 1.39:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #038749 (4.6:1); AA: background → #5e5e5e (4.67:1); AAA: text → #026436 (7.29:1); AAA: background → #424242 (7.24:1)
- On black (#000000): 15.12:1 — 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/19fa91-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: "#19fa91" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.