# #a4b021

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

## Values

- Hex: `#a4b021`
- RGB: rgb(164, 176, 33)
- HSL: hsl(65, 68%, 41%)
- OKLCH: oklch(0.724 0.155 114.7)
- Relative luminance: 0.3905
- Nearest named color: Citrus (#9fb70a, Δ 2.287) — https://brandsweets.com/colors/citrus
- Moods: vivid
- Page: https://brandsweets.com/colors/a4b021

## Tints & shades

- Tints (toward white): #bcc926, #cad831, #d1dd4b, #d7e265, #dee77e, #e3eb94, #eaefae, #f1f4c7, #f6f8dd, #fdfdf6
- Shades (toward black): #949f1e, #88921c, #788118, #686f15, #5c6313, #4c5110, #3c400c, #2c2f09, #202207, #101103

## Harmonies

- Complementary: #2d21b0
- Analogous: #b07421, #5db021
- Triadic: #21a4b0, #b021a4
- Split-complementary: #215db0, #7421b0
- Tetradic: #21b074, #2d21b0, #b0215d

## Colors that go with #a4b021

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

- **Cornflower Blue** #6495ed [harmony, pool: complementary] — Cornflower Blue sits directly opposite #a4b021 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/cornflowerblue
- **Blue** #0000ff [pool] — 6 real palettes, including Minecraft's brand system and League of Legends's brand system put Blue beside #a4b021, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com), Lexus (https://brandsweets.com/colors/brands/lexus-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Forest Floor and Midnight Luxe put Champagne beside #a4b021, as that palette's text colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/champagne
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #a4b021 in 4 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), Cider (https://brandsweets.com/palettes/warm#cider). — https://brandsweets.com/colors/darkolivegreen
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #a4b021: 4 real palettes, including Liquid Death's brand system and Playground, as the supporting colour. Seen in: Liquid Death (https://brandsweets.com/colors/brands/liquiddeath-com), Playground (https://brandsweets.com/palettes/bold#playground), Unity (https://brandsweets.com/colors/brands/unity-com), Spline (https://brandsweets.com/colors/brands/spline-design). — https://brandsweets.com/colors/dodgerblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #a4b021 in 4 real palettes, including Disney's brand system and Chevrolet's brand system, as the lead colour. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Chevrolet (https://brandsweets.com/colors/brands/chevrolet-com), Guinness (https://brandsweets.com/colors/brands/guinness-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue
- **Saddle Brown** #8b4513 [pool] — Designers have shipped Saddle Brown with #a4b021: 4 real palettes, including Homestead and Bakery, as the lead colour. Seen in: Homestead (https://brandsweets.com/palettes/warm#homestead), Bakery (https://brandsweets.com/palettes/warm#bakery), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Cider (https://brandsweets.com/palettes/warm#cider). — https://brandsweets.com/colors/saddlebrown
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #a4b021: 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

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

- On white (#ffffff): 2.38:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #747c18 (4.53:1); AA: background → #3d3d3d (4.56:1); AAA: text → #545a11 (7.37:1); AAA: background → #1c1c1c (7.15:1)
- On black (#000000): 8.81:1 — 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/a4b021-b8bea2-4e88df-262d1f-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: "#a4b021" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.