# #b1b41d

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

## Values

- Hex: `#b1b41d`
- RGB: rgb(177, 180, 29)
- HSL: hsl(61, 72%, 41%)
- OKLCH: oklch(0.743 0.157 110.9)
- Relative luminance: 0.4208
- Nearest named color: Citrus (#9fb70a, Δ 2.773) — https://brandsweets.com/colors/citrus
- Moods: vivid
- Page: https://brandsweets.com/colors/b1b41d

## Tints & shades

- Tints (toward white): #cbce22, #dadd2c, #dee147, #e3e561, #e8ea7b, #eced91, #f0f1ac, #f5f6c6, #f9f9dc, #fdfef6
- Shades (toward black): #a0a21a, #939518, #828415, #707213, #636510, #52530e, #41420b, #303008, #232306, #111203

## Harmonies

- Complementary: #201db4
- Analogous: #b46b1d, #66b41d
- Triadic: #1db1b4, #b41db1
- Split-complementary: #1d66b4, #6b1db4
- Tetradic: #1db46b, #201db4, #b41d66

## Colors that go with #b1b41d

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

- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #b1b41d: 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), Coastal (https://brandsweets.com/palettes/cool#coastal), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [harmony, pool: split] — Cornflower Blue is a split-complement of #b1b41d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Terminal (https://brandsweets.com/palettes/technical#terminal), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/cornflowerblue
- **Lilac** #c8a2c8 [harmony, pool: complementary] — Lilac sits directly opposite #b1b41d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe). — https://brandsweets.com/colors/lilac
- **Blue** #0000ff [pool] — 4 real palettes, including Minecraft's brand system and League of Legends's brand system put Blue beside #b1b41d, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com), Binance (https://brandsweets.com/colors/brands/binance-com), Lexus (https://brandsweets.com/colors/brands/lexus-com). — https://brandsweets.com/colors/blue
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Forest Floor and Midnight Luxe put Champagne beside #b1b41d, 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), Bramble (https://brandsweets.com/palettes/muted#bramble), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/champagne
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #b1b41d 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), Farmers Market (https://brandsweets.com/palettes/warm#farmers-market). — https://brandsweets.com/colors/darkolivegreen
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #b1b41d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #b1b41d: 5 real palettes, including Open House and Wikipedia's brand system, as the lead colour. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Gopro (https://brandsweets.com/colors/brands/gopro-com), Guinness (https://brandsweets.com/colors/brands/guinness-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 2.23:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #797b14 (4.51:1); AA: background → #424242 (4.51:1); AAA: text → #5b5c0f (7.04:1); AAA: background → #212121 (7.22:1)
- On black (#000000): 9.42:1 — 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/b1b41d-babea2-4e92df-272d1f-f1ede9?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: "#b1b41d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.