# #19ef15

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

## Values

- Hex: `#19ef15`
- RGB: rgb(25, 239, 21)
- HSL: hsl(119, 87%, 51%)
- OKLCH: oklch(0.827 0.276 142.5)
- Relative luminance: 0.6199
- Nearest named color: Becquerel (#4bec13, Δ 1.651) — https://brandsweets.com/colors/becquerel
- Moods: vivid
- Page: https://brandsweets.com/colors/19ef15

## Tints & shades

- Tints (toward white): #30f02d, #43f240, #5bf358, #72f570, #8af788, #9cf89b, #b4fab3, #cbfbcb, #defdde, #f6fef5
- Shades (toward black): #13db0f, #11c80e, #0fb00c, #0d990b, #0b8609, #096e08, #075606, #053e04, #042b03, #021301

## Harmonies

- Complementary: #eb15ef
- Analogous: #86ef15, #15ef7e
- Triadic: #1519ef, #ef1519
- Split-complementary: #7e15ef, #ef1586
- Tetradic: #1586ef, #eb15ef, #ef7e15

## Colors that go with #19ef15

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 #19ef15 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 #19ef15: 3 real palettes, including Remix's brand system and Learning App, as the lead colour. Seen in: Remix (https://brandsweets.com/colors/brands/remix-run), Learning App (https://brandsweets.com/palettes/playful#learning-app), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #19ef15: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/hotpink
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #19ef15: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Plum** #dda0dd [harmony: split] — Plum is a split-complement of #19ef15: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/plum
- **Red** #ff0000 [pool] — Red is paired with #19ef15 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #19ef15 in two real palettes: MongoDB's brand system and Brilliant's brand system, as the supporting colour. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #19ef15 in two real palettes: 7-Eleven's brand system and WhatsApp's brand system, as the lead colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 1.57:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0c8a0a (4.51:1); AA: background → #575757 (4.61:1); AAA: text → #096407 (7.4:1); AAA: background → #3b3b3b (7.15:1)
- On black (#000000): 13.4:1 — 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/19ef15-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: "#19ef15" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.