# #a3ea39

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

## Values

- Hex: `#a3ea39`
- RGB: rgb(163, 234, 57)
- HSL: hsl(84, 81%, 57%)
- OKLCH: oklch(0.859 0.21 129.6)
- Relative luminance: 0.6693
- Nearest named color: Inchworm (#b2ec5d, Δ 3.276) — https://brandsweets.com/colors/inchworm
- Moods: vivid
- Page: https://brandsweets.com/colors/a3ea39

## Tints & shades

- Tints (toward white): #acec4b, #b4ee5d, #bdf070, #c5f282, #d0f499, #d9f6ac, #e1f8be, #eafad1, #f2fce3, #fbfef6
- Shades (toward black): #98e821, #88d416, #79bd14, #6ba611, #5c8f0f, #4a730c, #3b5c0a, #2c4507, #1b2a04, #0c1202

## Harmonies

- Complementary: #8039ea
- Analogous: #ead839, #4aea39
- Triadic: #39a3ea, #ea39a3
- Split-complementary: #394aea, #d839ea
- Tetradic: #39ead8, #8039ea, #ea394a

## Colors that go with #a3ea39

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

- **Violet** #ee82ee [harmony, pool: complementary] — Violet sits directly opposite #a3ea39 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Gumroad (https://brandsweets.com/colors/brands/gumroad-com). — https://brandsweets.com/colors/violet
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #a3ea39 — 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), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/deepskyblue
- **Red** #ff0000 [pool] — Red is paired with #a3ea39 in 4 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), Heineken (https://brandsweets.com/colors/brands/heineken-com), Paddle (https://brandsweets.com/colors/brands/paddle-com). — https://brandsweets.com/colors/red
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #a3ea39: 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). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #a3ea39 in 3 real palettes, including Wise's brand system and Ferrari's brand system, as the accent. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Ferrari (https://brandsweets.com/colors/brands/ferrari-com), Lay's (https://brandsweets.com/colors/brands/lays-com). — https://brandsweets.com/colors/crimson
- **Gold** #ffd700 [pool] — Gold shows up next to #a3ea39 in 3 real palettes, including Prime Video's brand system and Ikea's brand system, as the lead colour. Seen in: Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Ikea (https://brandsweets.com/colors/brands/ikea-com), Paddle (https://brandsweets.com/colors/brands/paddle-com). — https://brandsweets.com/colors/gold
- **Mustard Yellow** #ffdb58 [pool] — 3 real palettes, including Citrus Grove and Star Wars's brand system put Mustard Yellow beside #a3ea39, as the accent. Seen in: Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Star Wars (https://brandsweets.com/colors/brands/starwars-com), Lay's (https://brandsweets.com/colors/brands/lays-com). — https://brandsweets.com/colors/mustard
- **Taupe** #483c32 [pool] — Taupe is paired with #a3ea39 in 3 real palettes, including 7-Eleven's brand system and Citrus Grove, as the lead colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Acer (https://brandsweets.com/colors/brands/acer-com). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 1.46:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #53810e (4.65:1); AA: background → #5c5c5c (4.58:1); AAA: text → #3e610a (7.19:1); AAA: background → #404040 (7.1:1)
- On black (#000000): 14.39:1 — AA pass, AA-large pass, AAA pass

## Curated palettes containing it

- **Neobank** (vivid, bold, modern) — #6d28d9, #0f0f0f, #a3e635, #ffffff — Purple-and-lime is the challenger-bank uniform — high energy, and clearly not a legacy bank. — tool: https://brandsweets.com/palettes/new/6d28d9-0f0f0f-a3e635-ffffff — collection: https://brandsweets.com/palettes/vivid

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/a3ea39-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: "#a3ea39" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.