# #63cb43

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

## Values

- Hex: `#63cb43`
- RGB: rgb(99, 203, 67)
- HSL: hsl(106, 57%, 53%)
- OKLCH: oklch(0.752 0.198 139.2)
- Relative luminance: 0.4577
- Nearest named color: Blinking Terminal (#66cc00, Δ 2.793) — https://brandsweets.com/colors/blinking-terminal
- Moods: neutral
- Page: https://brandsweets.com/colors/63cb43

## Tints & shades

- Tints (toward white): #73d157, #81d567, #91db7b, #9fdf8b, #afe59f, #bce9af, #cdefc3, #daf3d3, #ebf8e7, #f8fdf7
- Shades (toward black): #55c035, #4cac2f, #43982a, #3b8424, #337420, #2b601a, #224c15, #19380f, #10240a, #071004

## Harmonies

- Complementary: #ac43cb
- Analogous: #a7cb43, #43cb67
- Triadic: #4363cb, #cb4363
- Split-complementary: #6743cb, #cb43a7
- Tetradic: #43a7cb, #ac43cb, #cb6743

## Colors that go with #63cb43

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 Spotify's brand system put Blue beside #63cb43, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Spotify (https://brandsweets.com/colors/brands/spotify), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #63cb43: 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), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Zendesk (https://brandsweets.com/colors/brands/zendesk-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #63cb43 in 4 real palettes, including Brilliant's brand system and Docker's brand system, as the accent. Seen in: Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Docker (https://brandsweets.com/colors/brands/docker-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #63cb43 in 9 real palettes, including Minecraft's brand system and WhatsApp's brand system, as the lead colour. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Acer (https://brandsweets.com/colors/brands/acer-com), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #63cb43 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 #63cb43: 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
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #63cb43 in 3 real palettes, including 7-Eleven's brand system and Undergrowth, as the supporting colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor). — https://brandsweets.com/colors/darkolivegreen
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #63cb43 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

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

- On white (#ffffff): 2.07:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3b8424 (4.65:1); AA: background → #454545 (4.64:1); AAA: text → #2c641b (7.13:1); AAA: background → #292929 (7.03:1)
- On black (#000000): 10.15:1 — 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/63cb43-a5bea2-774edf-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: "#63cb43" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.