# #63d643

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

## Values

- Hex: `#63d643`
- RGB: rgb(99, 214, 67)
- HSL: hsl(107, 64%, 55%)
- OKLCH: oklch(0.78 0.211 139.6)
- Relative luminance: 0.5115
- Nearest named color: Blinking Terminal (#66cc00, Δ 3.288) — https://brandsweets.com/colors/blinking-terminal
- Moods: vivid
- Page: https://brandsweets.com/colors/63d643

## Tints & shades

- Tints (toward white): #71d954, #82de68, #90e279, #9ee58a, #afea9f, #bdeeb0, #cbf1c0, #d9f5d1, #eaf9e6, #f8fdf7
- Shades (toward black): #51d12e, #49bc29, #41a725, #399220, #317d1c, #276416, #1f4f11, #173b0d, #0f2608, #071104

## Harmonies

- Complementary: #b643d6
- Analogous: #acd643, #43d66c
- Triadic: #4363d6, #d64363
- Split-complementary: #6c43d6, #d643ac
- Tetradic: #43acd6, #b643d6, #d66c43

## Colors that go with #63d643

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

- **Blue** #0000ff [pool] — 4 real palettes, including Minecraft's brand system and MongoDB's brand system put Blue beside #63d643, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Spotify (https://brandsweets.com/colors/brands/spotify), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/blue
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #63d643 — 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 #63d643 in 8 real palettes, including WhatsApp's brand system and Minecraft's brand system, as the supporting colour. Seen in: WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Acer (https://brandsweets.com/colors/brands/acer-com), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #63d643 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
- **Hot Pink** #ff69b4 [harmony, pool: split] — Hot Pink is a split-complement of #63d643: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/hotpink
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #63d643: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #63d643 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
- **Mustard Yellow** #ffdb58 [pool] — 3 real palettes, including Citrus Grove and Meadow put Mustard Yellow beside #63d643, as the accent. Seen in: Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Meadow (https://brandsweets.com/palettes/light#meadow), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice). — https://brandsweets.com/colors/mustard

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

- On white (#ffffff): 1.87:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #34861d (4.59:1); AA: background → #4d4d4d (4.52:1); AAA: text → #276416 (7.19:1); AAA: background → #303030 (7.06:1)
- On black (#000000): 11.23:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Monster Energy** — accent #6bd41a (Δ 1.914) — https://brandsweets.com/colors/brands/monsterenergy-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/63d643-a5bea2-7a4edf-1f2d22-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: "#63d643" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.