# #1ef621

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

## Values

- Hex: `#1ef621`
- RGB: rgb(30, 246, 33)
- HSL: hsl(121, 92%, 54%)
- OKLCH: oklch(0.845 0.279 142.7)
- Relative luminance: 0.663
- Nearest named color: Cyber Neon Green (#00ff26, Δ 2.375) — https://brandsweets.com/colors/cyber-neon-green
- Moods: vivid
- Page: https://brandsweets.com/colors/1ef621

## Tints & shades

- Tints (toward white): #31f635, #4af74d, #5df860, #76f978, #89fa8b, #9dfb9f, #b6fcb7, #c9fdca, #e2fee2, #f5fff5
- Shades (toward black): #0af00e, #09d70c, #08bf0b, #07a60a, #068e08, #057607, #045d05, #034504, #022c03, #011401

## Harmonies

- Complementary: #f61ef2
- Analogous: #86f61e, #1ef68d
- Triadic: #211ef6, #f6211e
- Split-complementary: #8d1ef6, #f61e86
- Tetradic: #1e86f6, #f61ef2, #f68d1e

## Colors that go with #1ef621

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 #1ef621 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 #1ef621: 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 #1ef621: 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 #1ef621: 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 #1ef621: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Red** #ff0000 [pool] — Red is paired with #1ef621 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
- **Light Coral** #f08080 [harmony: triadic] — Light Coral completes a triad with #1ef621 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/lightcoral
- **Cornflower Blue** #6495ed [harmony: triadic] — Cornflower Blue completes a triad with #1ef621 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/cornflowerblue

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

- On white (#ffffff): 1.47:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #068908 (4.58:1); AA: background → #5c5c5c (4.54:1); AAA: text → #046706 (7.12:1); AAA: background → #404040 (7.04:1)
- On black (#000000): 14.26:1 — 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/1ef621-a2bea6-9b4edf-1f2d26-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: "#1ef621" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.