# #9cd129

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

## Values

- Hex: `#9cd129`
- RGB: rgb(156, 209, 41)
- HSL: hsl(79, 67%, 49%)
- OKLCH: oklch(0.795 0.192 126.6)
- Relative luminance: 0.5283
- Nearest named color: yellowgreen (#9acd32, Δ 1.3) — https://brandsweets.com/colors/yellowgreen
- Moods: vivid
- Page: https://brandsweets.com/colors/9cd129

## Tints & shades

- Tints (toward white): #a7d83b, #b0dc50, #bae166, #c3e57b, #cde990, #d5eca1, #def1b7, #e8f5cc, #f2f9e1, #fbfdf6
- Shades (toward black): #8fc026, #7faa22, #72991e, #62841a, #567317, #465e13, #394d0f, #29370b, #1d2608, #0d1103

## Harmonies

- Complementary: #5e29d1
- Analogous: #d1b229, #48d129
- Triadic: #299cd1, #d1299c
- Split-complementary: #2948d1, #b229d1
- Tetradic: #29d1b2, #5e29d1, #d12948

## Colors that go with #9cd129

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 #9cd129 — 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 #9cd129 in 8 real palettes, including Citrus Grove and Acer's brand system, as the text colour against it. Seen in: Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Acer (https://brandsweets.com/colors/brands/acer-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/taupe
- **Plum** #dda0dd [harmony: complementary] — Plum sits directly opposite #9cd129 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/plum
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #9cd129: 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 #9cd129 in 3 real palettes, including Citrus Grove and Learning App, as the lead colour. Seen in: Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Learning App (https://brandsweets.com/palettes/playful#learning-app), Playground (https://brandsweets.com/palettes/bold#playground). — https://brandsweets.com/colors/darkorange
- **Red** #ff0000 [pool] — Red is paired with #9cd129 in 3 real palettes, including 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), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/red
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #9cd129 in 3 real palettes, including Brilliant's brand system and MongoDB's brand system, as the accent. Seen in: Brilliant (https://brandsweets.com/colors/brands/brilliant-org), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/royalblue
- **Cornflower Blue** #6495ed [harmony, pool: split] — Cornflower Blue is a split-complement of #9cd129: 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/cornflowerblue

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

- On white (#ffffff): 1.82:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #5f8019 (4.58:1); AA: background → #4f4f4f (4.51:1); AAA: text → #465e13 (7.31:1); AAA: background → #303030 (7.27:1)
- On black (#000000): 11.57:1 — 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/9cd129-b2bea2-4e66df-232d1f-f1f0e9?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: "#9cd129" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.