# #a9c615

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

## Values

- Hex: `#a9c615`
- RGB: rgb(169, 198, 21)
- HSL: hsl(70, 81%, 43%)
- OKLCH: oklch(0.778 0.18 119.9)
- Relative luminance: 0.4888
- Nearest named color: yellowgreen (#9acd32, Δ 2.289) — https://brandsweets.com/colors/yellowgreen
- Moods: vivid
- Page: https://brandsweets.com/colors/a9c615

## Tints & shades

- Tints (toward white): #c0e218, #c9e92b, #d0ec46, #d6ee5d, #ddf179, #e3f390, #eaf6ac, #f0f9c3, #f7fcdf, #fdfef6
- Shades (toward black): #99b413, #89a211, #7a8f0f, #6a7d0d, #5e6f0c, #4f5c0a, #3f4a08, #2f3706, #1f2504, #101202

## Harmonies

- Complementary: #3215c6
- Analogous: #c68b15, #50c615
- Triadic: #15a9c6, #c615a9
- Split-complementary: #1550c6, #8b15c6
- Tetradic: #15c68b, #3215c6, #c61550

## Colors that go with #a9c615

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

- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #a9c615 in 4 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), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/darkorange
- **Taupe** #483c32 [pool] — Taupe is paired with #a9c615 in 10 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 #a9c615 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 #a9c615: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [harmony, pool: split] — Cornflower Blue is a split-complement of #a9c615: 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), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/cornflowerblue
- **Emerald Green** #50c878 [harmony, pool: analogous] — Emerald Green is #a9c615's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Peloton (https://brandsweets.com/colors/brands/peloton-com), Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark). — https://brandsweets.com/colors/emerald-green
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #a9c615: 3 real palettes, including Maple and Ember, as the lead colour. Seen in: Maple (https://brandsweets.com/palettes/warm#maple), Ember (https://brandsweets.com/palettes/bold#ember), Fireside (https://brandsweets.com/palettes/dark#fireside). — https://brandsweets.com/colors/firebrick
- **Red** #ff0000 [pool] — Red is paired with #a9c615 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

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

- On white (#ffffff): 1.95:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6a7d0d (4.61:1); AA: background → #4a4a4a (4.55:1); AAA: text → #4f5c0a (7.32:1); AAA: background → #2b2b2b (7.27:1)
- On black (#000000): 10.78:1 — 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/a9c615-b6bea2-4e7cdf-252d1f-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: "#a9c615" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.