# #a3d657

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

## Values

- Hex: `#a3d657`
- RGB: rgb(163, 214, 87)
- HSL: hsl(84, 61%, 59%)
- OKLCH: oklch(0.815 0.165 128.1)
- Relative luminance: 0.5657
- Nearest named color: Last of Lettuce (#aadd66, Δ 2.341) — https://brandsweets.com/colors/last-of-lettuce
- Moods: vivid
- Page: https://brandsweets.com/colors/a3d657

## Tints & shades

- Tints (toward white): #acda67, #b5de78, #bee288, #c7e698, #d0eaa9, #d7edb5, #e0f1c6, #e9f5d6, #f2f9e6, #fbfdf7
- Shades (toward black): #98d142, #89c530, #7bb12b, #6a9825, #5c8320, #4a6b1a, #3c5615, #2b3e0f, #1d290a, #0b1004

## Harmonies

- Complementary: #8a57d6
- Analogous: #d6c957, #63d657
- Triadic: #57a3d6, #d657a3
- Split-complementary: #5763d6, #c957d6
- Tetradic: #57d6c9, #8a57d6, #d65763

## Colors that go with #a3d657

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 body-text near-black for #a3d657: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Canopy (https://brandsweets.com/palettes/cool#canopy), Docker (https://brandsweets.com/colors/brands/docker-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Plum** #dda0dd [harmony, pool: complementary] — Plum sits directly opposite #a3d657 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Blossom (https://brandsweets.com/palettes/light#blossom). — https://brandsweets.com/colors/plum
- **Crimson** #dc143c [pool] — Crimson is paired with #a3d657 in 4 real palettes, including Wise's brand system and Diner, as the accent. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Diner (https://brandsweets.com/palettes/vivid#diner), Tabloid (https://brandsweets.com/palettes/editorial#tabloid), Lay's (https://brandsweets.com/colors/brands/lays-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #a3d657 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Remix (https://brandsweets.com/colors/brands/remix-run), Learning App (https://brandsweets.com/palettes/playful#learning-app), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Mustard Yellow** #ffdb58 [pool] — 4 real palettes, including Citrus Grove and Meadow put Mustard Yellow beside #a3d657, 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), Lay's (https://brandsweets.com/colors/brands/lays-com). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #a3d657 in 5 real palettes, including MongoDB's brand system and Brilliant's brand system, as the supporting colour. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Docker (https://brandsweets.com/colors/brands/docker-com), Disney (https://brandsweets.com/colors/brands/disney-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #a3d657 in 14 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), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com). — https://brandsweets.com/colors/taupe
- **Lilac** #c8a2c8 [harmony, pool: split] — Lilac is a split-complement of #a3d657: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe). — https://brandsweets.com/colors/lilac

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

- On white (#ffffff): 1.71:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #597f1f (4.69:1); AA: background → #525252 (4.58:1); AAA: text → #425e17 (7.38:1); AAA: background → #363636 (7.09:1)
- On black (#000000): 12.31:1 — 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/a3d657-afbea2-4e5adf-222d1f-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: "#a3d657" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.