# #63ca8a

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

## Values

- Hex: `#63ca8a`
- RGB: rgb(99, 202, 138)
- HSL: hsl(143, 49%, 59%)
- OKLCH: oklch(0.761 0.134 154.3)
- Relative luminance: 0.4673
- Nearest named color: Exhilarating Green (#81c784, Δ 2.621) — https://brandsweets.com/colors/exhilarating-green
- Moods: neutral
- Page: https://brandsweets.com/colors/63ca8a

## Tints & shades

- Tints (toward white): #72cf96, #82d4a1, #91d9ad, #a0deb8, #afe4c3, #bbe8cc, #caedd7, #d9f2e3, #e8f7ee, #f7fcf9
- Shades (toward black): #50c37c, #3eb66c, #38a361, #308d54, #2a7a48, #22633b, #1b502f, #143922, #0d2617, #050f09

## Harmonies

- Complementary: #ca63a2
- Analogous: #6fca63, #63cabe
- Triadic: #8a63ca, #ca8a63
- Split-complementary: #be63ca, #ca636f
- Tetradic: #636fca, #ca63a2, #cabe63

## Colors that go with #63ca8a

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

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #63ca8a: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Canopy (https://brandsweets.com/palettes/cool#canopy), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Unity's brand system and Minecraft's brand system put Blue beside #63ca8a, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Spotify (https://brandsweets.com/colors/brands/spotify), Canva (https://brandsweets.com/colors/brands/canva-com). — https://brandsweets.com/colors/blue
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #63ca8a in 4 real palettes, including Undergrowth and Forest Floor, as the supporting colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/darkolivegreen
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #63ca8a: 4 real palettes, including Remix's brand system and Prime Video's brand system, as the lead colour. Seen in: Remix (https://brandsweets.com/colors/brands/remix-run), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Learning App (https://brandsweets.com/palettes/playful#learning-app), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Mustard Yellow** #ffdb58 [pool] — 4 real palettes, including Fresh Juice and Meadow put Mustard Yellow beside #63ca8a, as the supporting colour. Seen in: Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Meadow (https://brandsweets.com/palettes/light#meadow), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box). — https://brandsweets.com/colors/mustard
- **Taupe** #483c32 [pool] — Taupe is paired with #63ca8a in 21 real palettes, including Chime's brand system and WhatsApp's brand system, as the lead colour. Seen in: Chime (https://brandsweets.com/colors/brands/chime-com), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Meadow (https://brandsweets.com/palettes/light#meadow), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #63ca8a 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
- **Light Coral** #f08080 [harmony, pool: split] — Light Coral is a split-complement of #63ca8a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/lightcoral

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

- On white (#ffffff): 2.03:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2e854f (4.58:1); AA: background → #474747 (4.58:1); AAA: text → #22633b (7.2:1); AAA: background → #292929 (7.17:1)
- On black (#000000): 10.35:1 — 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/63ca8a-a2beb0-c859d4-1f2d2b-eaf1e9?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: "#63ca8a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.