# #a3bb1b

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

## Values

- Hex: `#a3bb1b`
- RGB: rgb(163, 187, 27)
- HSL: hsl(69, 75%, 42%)
- OKLCH: oklch(0.748 0.169 118.8)
- Relative luminance: 0.4341
- Nearest named color: Citrus (#9fb70a, Δ 1.28) — https://brandsweets.com/colors/citrus
- Moods: vivid
- Page: https://brandsweets.com/colors/a3bb1b

## Tints & shades

- Tints (toward white): #bbd61f, #c6e12d, #cde548, #d3e85e, #dbec79, #e2f094, #e8f3aa, #eff7c5, #f5fadb, #fdfef6
- Shades (toward black): #94aa18, #849816, #798a14, #697811, #59670f, #4a550c, #3a430a, #2f3608, #1f2405, #101203

## Harmonies

- Complementary: #331bbb
- Analogous: #bb831b, #53bb1b
- Triadic: #1ba3bb, #bb1ba3
- Split-complementary: #1b53bb, #831bbb
- Tetradic: #1bbb83, #331bbb, #bb1b53

## Colors that go with #a3bb1b

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] — 5 real palettes, including Minecraft's brand system and League of Legends's brand system put Blue beside #a3bb1b, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com), Spotify (https://brandsweets.com/colors/brands/spotify), Binance (https://brandsweets.com/colors/brands/binance-com). — https://brandsweets.com/colors/blue
- **Taupe** #483c32 [pool] — Taupe is paired with #a3bb1b in 13 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 #a3bb1b 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 #a3bb1b: 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), Zendesk (https://brandsweets.com/colors/brands/zendesk-com). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [harmony, pool: split] — Cornflower Blue is a split-complement of #a3bb1b: 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), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/cornflowerblue
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #a3bb1b in 3 real palettes, including Forest Floor and Undergrowth, as the supporting colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/darkolivegreen
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #a3bb1b in 3 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). — https://brandsweets.com/colors/darkorange
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #a3bb1b: 3 real palettes, including Playground and Liquid Death's brand system, as the supporting colour. Seen in: Playground (https://brandsweets.com/palettes/bold#playground), Liquid Death (https://brandsweets.com/colors/brands/liquiddeath-com), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 2.17:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6d7d12 (4.57:1); AA: background → #424242 (4.63:1); AAA: text → #525e0d (7.08:1); AAA: background → #242424 (7.16:1)
- On black (#000000): 9.68:1 — 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/a3bb1b-b7bea2-4e7edf-252d1f-f1eee9?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: "#a3bb1b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.