# #5be421

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

## Values

- Hex: `#5be421`
- RGB: rgb(91, 228, 33)
- HSL: hsl(102, 78%, 51%)
- OKLCH: oklch(0.811 0.246 139.1)
- Relative luminance: 0.5782
- Nearest named color: Alarming Slime (#2ce335, Δ 2.227) — https://brandsweets.com/colors/alarming-slime
- Moods: vivid
- Page: https://brandsweets.com/colors/5be421

## Tints & shades

- Tints (toward white): #6ce637, #79e949, #8aeb60, #9bee77, #abf18e, #b9f3a0, #c9f6b6, #daf9cd, #e8fbdf, #f8fef6
- Shades (toward black): #51d11a, #4abf18, #41a815, #389112, #317f10, #28680d, #20520a, #173b07, #102905, #071202

## Harmonies

- Complementary: #a921e4
- Analogous: #bde421, #21e448
- Triadic: #215be4, #e4215b
- Split-complementary: #4821e4, #e421bd
- Tetradic: #21bde4, #a921e4, #e44821

## Colors that go with #5be421

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

- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #5be421 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Remix (https://brandsweets.com/colors/brands/remix-run), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #5be421 in 7 real palettes, including 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), Acer (https://brandsweets.com/colors/brands/acer-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #5be421 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
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #5be421 in 3 real palettes, including Learning App and Citrus Grove, as the accent. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Playground (https://brandsweets.com/palettes/bold#playground). — https://brandsweets.com/colors/darkorange
- **Light Coral** #f08080 [harmony, pool: triadic] — Light Coral completes a triad with #5be421 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/lightcoral
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #5be421: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/hotpink
- **Blue** #0000ff [pool] — Two real palettes: MongoDB's brand system and Minecraft's brand system put Blue beside #5be421, as the accent. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #5be421: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 1.67:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #338410 (4.72:1); AA: background → #545454 (4.53:1); AAA: text → #27640c (7.21:1); AAA: background → #383838 (7.02:1)
- On black (#000000): 12.56:1 — 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/5be421-a7bea2-6e4edf-1f2d21-eff1e9?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: "#5be421" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.