# #a7d421

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

## Values

- Hex: `#a7d421`
- RGB: rgb(167, 212, 33)
- HSL: hsl(75, 73%, 48%)
- OKLCH: oklch(0.809 0.193 124)
- Relative luminance: 0.5541
- Nearest named color: yellowgreen (#9acd32, Δ 2.72) — https://brandsweets.com/colors/yellowgreen
- Moods: vivid
- Page: https://brandsweets.com/colors/a7d421

## Tints & shades

- Tints (toward white): #b3df30, #bbe246, #c3e65c, #cbe972, #d3ec88, #dbf09e, #e3f3b4, #ecf7ca, #f4fae0, #fcfef6
- Shades (toward black): #99c21e, #88ac1b, #7a9a18, #688415, #5a7312, #4d610f, #3b4b0c, #2d3909, #1c2306, #0e1203

## Harmonies

- Complementary: #4e21d4
- Analogous: #d4a721, #4ed421
- Triadic: #21a7d4, #d421a7
- Split-complementary: #214ed4, #a721d4
- Tetradic: #21d4a7, #4e21d4, #d4214e

## Colors that go with #a7d421

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 #a7d421, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Binance (https://brandsweets.com/colors/brands/binance-com), Robinhood (https://brandsweets.com/colors/brands/robinhood-com). — https://brandsweets.com/colors/blue
- **Taupe** #483c32 [pool] — Taupe is paired with #a7d421 in 6 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 #a7d421 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 #a7d421: 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), Disney (https://brandsweets.com/colors/brands/disney-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #a7d421 in 3 real palettes, including Wise's brand system and Tabloid, as the accent. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), 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 #a7d421 — 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). — https://brandsweets.com/colors/deepskyblue
- **Mustard Yellow** #ffdb58 [pool] — 3 real palettes, including Citrus Grove and Meadow put Mustard Yellow beside #a7d421, as the accent. Seen in: Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Meadow (https://brandsweets.com/palettes/light#meadow), Lay's (https://brandsweets.com/colors/brands/lays-com). — https://brandsweets.com/colors/mustard
- **Red** #ff0000 [pool] — Red is paired with #a7d421 in 3 real palettes, including Wise's brand system and Gatorade's brand system, as the lead colour. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Gatorade (https://brandsweets.com/colors/brands/gatorade-com), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/red

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

- On white (#ffffff): 1.74:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #658014 (4.52:1); AA: background → #4f4f4f (4.71:1); AAA: text → #495d0e (7.35:1); AAA: background → #333333 (7.27:1)
- On black (#000000): 12.08:1 — 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/a7d421-b4bea2-4e70df-242d1f-f1efe9?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: "#a7d421" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.