# #a9e718

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

## Values

- Hex: `#a9e718`
- RGB: rgb(169, 231, 24)
- HSL: hsl(78, 81%, 50%)
- OKLCH: oklch(0.854 0.216 126.9)
- Relative luminance: 0.6565
- Nearest named color: Inchworm (#b2ec5d, Δ 4.012) — https://brandsweets.com/colors/inchworm
- Moods: vivid
- Page: https://brandsweets.com/colors/a9e718

## Tints & shades

- Tints (toward white): #b1e92f, #baec46, #c1ee59, #caf070, #d2f287, #dbf59e, #e3f7b5, #eaf9c8, #f3fcdf, #fcfef6
- Shades (toward black): #98d016, #8abd14, #7aa611, #6c9410, #5b7d0d, #4a660b, #3d5309, #2c3c06, #1e2a04, #0e1202

## Harmonies

- Complementary: #5618e7
- Analogous: #e7bd18, #42e718
- Triadic: #18a9e7, #e718a9
- Split-complementary: #1842e7, #bd18e7
- Tetradic: #18e7bd, #5618e7, #e71842

## Colors that go with #a9e718

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

- **Crimson** #dc143c [pool] — Crimson is paired with #a9e718 in 4 real palettes, including Wise's brand system and Lay's's brand system, as the accent. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Lay's (https://brandsweets.com/colors/brands/lays-com), Ferrari (https://brandsweets.com/colors/brands/ferrari-com), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #a9e718 — 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
- **Red** #ff0000 [pool] — Red is paired with #a9e718 in 5 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
- **Plum** #dda0dd [harmony: complementary] — Plum sits directly opposite #a9e718 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
- **Violet** #ee82ee [harmony, pool: split] — Violet is a split-complement of #a9e718: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Gumroad (https://brandsweets.com/colors/brands/gumroad-com). — https://brandsweets.com/colors/violet
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #a9e718: 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
- **Gold** #ffd700 [pool] — Gold shows up next to #a9e718 in 3 real palettes, including Ikea's brand system and Paddle's brand system, as the supporting colour. Seen in: Ikea (https://brandsweets.com/colors/brands/ikea-com), Paddle (https://brandsweets.com/colors/brands/paddle-com), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/gold
- **Mustard Yellow** #ffdb58 [pool] — 3 real palettes, including Star Wars's brand system and Citrus Grove put Mustard Yellow beside #a9e718, as the accent. Seen in: Star Wars (https://brandsweets.com/colors/brands/starwars-com), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Lay's (https://brandsweets.com/colors/brands/lays-com). — https://brandsweets.com/colors/mustard

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

- On white (#ffffff): 1.49:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #5f810e (4.53:1); AA: background → #595959 (4.71:1); AAA: text → #47610a (7.04:1); AAA: background → #3d3d3d (7.31:1)
- On black (#000000): 14.13:1 — 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/a9e718-b2bea2-4e69df-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: "#a9e718" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.